diff --git a/ANNOUNCE b/ANNOUNCE
new file mode 100644
--- /dev/null
+++ b/ANNOUNCE
@@ -0,0 +1,41 @@
+I'm pleased to announce a new release of shelltestrunner! 
+
+shelltestrunner (executable: shelltest) is a portable
+command-line tool for testing command-line programs, or general shell
+commands, released under GPLv3+.  It reads simple test specifications
+defining a command to run, some input, and the expected output,
+stderr, and exit status.  It can run tests in parallel, selectively,
+with a timeout, in color, etc. 
+Projects using it include hledger, Agda, and berp.
+
+The last release was 1.3.5, in 2015. The new version is 1.9, which 
+has substantial improvements and is recommended for all users. 
+More real-world testing and contributions will help us deliver 2.0.  
+
+New in 1.9 (2018/1/14):
+
+* two new test file formats, allowing input re-use and lighter syntax
+* new -l/--list flag lists the tests found
+* new -D/--defmacro option allows text substitution (Taavi Valjaots)
+* new --xmlout option saves test results as xml (Taavi Valjaots)
+* tests with Windows line endings now also work on unix (Taavi Valjaots)
+* shelltestrunner's tests should now pass on Windows (Taavi Valjaots)
+* flags formerly passed through to test-framework are now built in
+* >>>= with nothing after it now matches any exit status
+* failure messages now show the test command (John Chee)
+* include shelltestrunner's tests in cabal sdist archive (Iustin Pop)
+* build with latest deps and stackage resolvers
+* shelltestrunner's code and home page have moved to github
+
+Thanks to release contributors Taavi Valjaots, Andrés Sicard-Ramírez, 
+Iustin Pop and John Chee.
+
+Install: 
+
+$ stack install shelltestrunner-1.9
+
+or:
+
+$ cabal update && cabal install shelltestrunner-1.9
+
+Home, docs: https://github.com/simonmichael/shelltestrunner
diff --git a/CHANGES b/CHANGES
--- a/CHANGES
+++ b/CHANGES
@@ -1,140 +1,155 @@
-1.3.5 (2014/3/30)
+1.9 (2018/1/14)
 
-  * fix Applicative warning with ghc 7.10
-  * allow utf8-string <1.1
+* two new test file formats have been added, allowing input re-use and lighter syntax
+* new -l/--list flag lists the tests found
+* new -D/--defmacro option allows text substitution (Taavi Valjaots)
+* new --xmlout option saves test results as xml (Taavi Valjaots)
+* tests with Windows line endings now also work on unix (Taavi Valjaots)
+* shelltestrunner's tests should now pass on Windows (Taavi Valjaots)
+* flags formerly passed through to test-framework are now built in
+* >>>= with nothing after it now matches any exit status
+* failure messages now show the test command (John Chee)
+* include shelltestrunner's tests in cabal sdist archive (Iustin Pop)
+* build with latest deps and stackage resolvers
+* shelltestrunner's code and home page have moved to github
 
+1.3.5 (2015/3/30)
+
+* fix Applicative warning with ghc 7.10
+* allow utf8-string <1.1
+
 1.3.4 (2014/5/28)
 
-  * drop cabal-file-th, support GHC 7.8.2
+* drop cabal-file-th, support GHC 7.8.2
 
 1.3.3 (2014/5/25)
 
-  * allow process 1.2, regex-tdfa-1.2
-  * add a hackage-compatible changelog
+* allow process 1.2, regex-tdfa-1.2
+* add a hackage-compatible changelog
 
 1.3.2 (2013/11/13)
 
-  * increase upper bound on Diff package
+* increase upper bound on Diff package
 
 1.3.1 (2012/12/28)
 
-  * fix cabal file typo breaking the build
+* fix cabal file typo breaking the build
 
 1.3 (2012/12/28)
 
-  * support latest Diff, cmdargs, test-framework; tested with GHC 7.6.1 (Magnus Therning)
+* support latest Diff, cmdargs, test-framework; tested with GHC 7.6.1 (Magnus Therning)
 
-  * fix unicode handling on GHC >= 7.2
+* fix unicode handling on GHC >= 7.2
 
 1.2.1 (2012/3/12)
 
-  * use the more up-to-date filemanip package for easier Debian packaging
+* use the more up-to-date filemanip package for easier Debian packaging
 
 1.2 (2012/2/26)
 
-  * support latest cmdargs, test-framework, and GHC 7.4
-  * more readable non-quoted failure output by default; for quoted output, use -p/--precise
-  * the --all, --diff and --precise options now interact well
+* support latest cmdargs, test-framework, and GHC 7.4
+* more readable non-quoted failure output by default; for quoted output, use -p/--precise
+* the --all, --diff and --precise options now interact well
 
 1.1 (2011/8/25)
 
-  * bump process dependency to allow building with GHC 7.2.1
-  * new -a/--all flag shows all failure output without truncating
+* bump process dependency to allow building with GHC 7.2.1
+* new -a/--all flag shows all failure output without truncating
 
 1.0 (2011/7/23)
 
-  * New home page/docs
-  * The >>>= field is now required; you may need to add it to your existing tests
-  * Input and expected output can now contain lines beginning with #
-  * Multiple tests in a file may now have whitespace between them
-  * The -i/--implicit option has been dropped
-  * New -d/--diff option shows test failures as a unified diff when possible, including line numbers to help locate the problem
-  * New -x/--exclude option skips certain test files (eg platform-specific ones)
-  * Passing arguments through to test-framework is now more robust
-  * Fixed: parsing could fail when input contained left angle brackets
-  * Fixed: some test files generated an extra blank test at the end
+* New home page/docs
+* The >>>= field is now required; you may need to add it to your existing tests
+* Input and expected output can now contain lines beginning with #
+* Multiple tests in a file may now have whitespace between them
+* The -i/--implicit option has been dropped
+* New -d/--diff option shows test failures as a unified diff when possible, including line numbers to help locate the problem
+* New -x/--exclude option skips certain test files (eg platform-specific ones)
+* Passing arguments through to test-framework is now more robust
+* Fixed: parsing could fail when input contained left angle brackets
+* Fixed: some test files generated an extra blank test at the end
 
 0.9 (2010/9/3)
 
-  * show plain non-ansi output by default, add --color option
-  * better handling of non-ascii test data. We assume that non-ascii file
-    paths, command-line arguments etc. are UTF-8 encoded on unix systems
-    (cf http://www.dwheeler.com/essays/fixing-unix-linux-filenames.html),
-    and that GHC 6.12 or greater is used. Then:
-    - non-ascii test file paths should render correctly, eg in failure messages
-    - non-ascii test commands should run correctly
-    - non-ascii expected output should match correctly
-    - non-ascii regular expressions should match correctly. (Caveat: not
-      thoroughly tested, this may break certain regexps, )
-  * use regex-tdfa instead of pcre-light for better windows compatibility
-    To avoid a memory leak in current regex-tdfa, only regular expressions
-    up to 300 characters in size are supported. Also, DOTALL is no longer
-    enabled and probably fewer regexp constructs are supported.  There are
-    still issues on windows/wine but in theory this will help.
-  * tighten up dependencies
+* show plain non-ansi output by default, add --color option
+* better handling of non-ascii test data. We assume that non-ascii file
+  paths, command-line arguments etc. are UTF-8 encoded on unix systems
+  (cf http://www.dwheeler.com/essays/fixing-unix-linux-filenames.html),
+  and that GHC 6.12 or greater is used. Then:
+  - non-ascii test file paths should render correctly, eg in failure messages
+  - non-ascii test commands should run correctly
+  - non-ascii expected output should match correctly
+  - non-ascii regular expressions should match correctly. (Caveat: not
+    thoroughly tested, this may break certain regexps, )
+* use regex-tdfa instead of pcre-light for better windows compatibility
+  To avoid a memory leak in current regex-tdfa, only regular expressions
+  up to 300 characters in size are supported. Also, DOTALL is no longer
+  enabled and probably fewer regexp constructs are supported.  There are
+  still issues on windows/wine but in theory this will help.
+* tighten up dependencies
 
 0.8 (2010/4/9)
 
-  * rename executable to shelltest. The package might also be renamed at some point.
-  * better built-in help
-  * shell tests now include a full command line, making them more readable
-    and self-contained. The --with option can be used to replace the first
-    word with something else, unless the test command line begins with a
-    space.
-  * we also accept directory arguments, searching for test files below
-    them, with two new options:
-      --execdir        execute tested command in same directory as test file
-      --extension=EXT  file extension of test files (default=.test)
+* rename executable to shelltest. The package might also be renamed at some point.
+* better built-in help
+* shell tests now include a full command line, making them more readable
+  and self-contained. The --with option can be used to replace the first
+  word with something else, unless the test command line begins with a
+  space.
+* we also accept directory arguments, searching for test files below
+  them, with two new options:
+    --execdir        execute tested command in same directory as test file
+    --extension=EXT  file extension of test files (default=.test)
 
 0.7 (2010/3/5)
 
-  * more robust parsing
-    - --debug-parse parses test files and stops
-    - regexps now support escaped forward slash (\/)
-    - bad regexps now fail at startup
-    - command-line arguments are required in a test, and may be blank
-    - a >>>= is no longer required to separate multiple tests in a file
-    - comments can be appended to delimiter lines
-    - comments can appear at end of file
-    - files need not have a final newline
-    - files containing nothing, all comments, or valid tests are allowed; anything else is rejected
-    - somewhat better errors
-    - allow indented input
-  * support negative (-) and negatively-matched (!) numeric exit codes
-  * let . in regexps match newline
-  * warn but continue when a test file fails to parse
-  * output cleanups, trim large output
-  * more flexible --implicit flag
-  * switch to the more robust and faster pcre-light regexp lib
+* more robust parsing
+  - --debug-parse parses test files and stops
+  - regexps now support escaped forward slash (\/)
+  - bad regexps now fail at startup
+  - command-line arguments are required in a test, and may be blank
+  - a >>>= is no longer required to separate multiple tests in a file
+  - comments can be appended to delimiter lines
+  - comments can appear at end of file
+  - files need not have a final newline
+  - files containing nothing, all comments, or valid tests are allowed; anything else is rejected
+  - somewhat better errors
+  - allow indented input
+* support negative (-) and negatively-matched (!) numeric exit codes
+* let . in regexps match newline
+* warn but continue when a test file fails to parse
+* output cleanups, trim large output
+* more flexible --implicit flag
+* switch to the more robust and faster pcre-light regexp lib
 
 0.6 (2009/7/15)
 
-  * allow multiple tests per file, handle bad executable better
+* allow multiple tests per file, handle bad executable better
 
 0.5 (2009/7/14)
 
-  * show failure output in proper order
+* show failure output in proper order
 
 0.4 (2009/7/14)
 
-  * run commands in a more robust way to avoid hangs
-    This fixes hanging when a command generates large output, and hopefully
-    all other deadlocks. The output is consumed strictly. Thanks to Ganesh
-    Sittampalam for his help with this.
-  * --implicit-tests flag providing implicit tests for omitted fields
-  * --debug flag
-  * regular expression matching
-  * disallow interspersed foreign options which confused parseargs
-  * change comment character to #
+* run commands in a more robust way to avoid hangs
+  This fixes hanging when a command generates large output, and hopefully
+  all other deadlocks. The output is consumed strictly. Thanks to Ganesh
+  Sittampalam for his help with this.
+* --implicit-tests flag providing implicit tests for omitted fields
+* --debug flag
+* regular expression matching
+* disallow interspersed foreign options which confused parseargs
+* change comment character to #
 
 0.3 (2009/7/11)
 
-  * misc. bugfixes/improvements
+* misc. bugfixes/improvements
 
 0.2 (2009/7/10)
 
-  * bugfix, build with -threaded
+* bugfix, build with -threaded
 
 0.1 (2009/7/10)
 
-  * shelltestrunner, a generic shell command stdout/stderr/exit status tester
+* shelltestrunner, a generic shell command stdout/stderr/exit status tester
diff --git a/PlatformString.hs b/PlatformString.hs
deleted file mode 100644
--- a/PlatformString.hs
+++ /dev/null
@@ -1,46 +0,0 @@
-{-# LANGUAGE CPP #-}
-{-
-Cross-platform, cross-GHC-version en/decoding of file paths, command-line arguments etc.
-
-Provides the PlatformString type alias, representing a possibly encoded
-string received from the OS environment or intended for it; and functions
-to convert these to and from regular non-encoded strings, which should
-work correctly on most platforms and GHC versions.
-
--}
-
-module PlatformString (
-  PlatformString,
-  fromPlatformString,
-  toPlatformString
-)
-where
-
-#if __GLASGOW_HASKELL__ < 702
-import Codec.Binary.UTF8.String as UTF8 (decodeString, encodeString, isUTF8Encoded)
-import System.Info (os)
-#endif
-
--- | A platform string is a string value received from or intended for the
--- (current) operating system, such as a file path or command-line
--- argument (or an environment variable's name or value ?).  On some
--- platforms (unix) these are typically encoded, and on others (windows)
--- they are not.  On unix we assume UTF-8 encoding, as recommended by
--- http://www.dwheeler.com/essays/fixing-unix-linux-filenames.html)
---
-type PlatformString = String
-
-fromPlatformString :: PlatformString -> String
-toPlatformString :: String -> PlatformString
-
-#if __GLASGOW_HASKELL__ < 702
-fromPlatformString s = if UTF8.isUTF8Encoded s then UTF8.decodeString s else s
-toPlatformString = case os of
-                     "unix" -> UTF8.encodeString
-                     "linux" -> UTF8.encodeString
-                     "darwin" -> UTF8.encodeString
-                     _ -> id
-#else
-fromPlatformString = id
-toPlatformString = id
-#endif
diff --git a/README.md b/README.md
new file mode 100644
--- /dev/null
+++ b/README.md
@@ -0,0 +1,380 @@
+<div align=center>
+<h1 style="margin:0;">Easy, repeatable testing of CLI programs/commands</h1>
+<img src="site/title2.png">
+
+  [Install](#install)
+| [Usage](#usage)
+| [Options](#options)
+| [Test formats](#test-formats)
+| [Support/Contribute](#supportcontribute)
+| [Credits](#credits)
+</div>
+
+**shelltestrunner** (executable: `shelltest`) is a portable
+command-line tool for testing command-line programs, or general shell
+commands, released under GPLv3+.  It reads simple test specifications
+defining a command to run, some input, and the expected output,
+stderr, and exit status.  It can run tests in parallel, selectively,
+with a timeout, in color, etc. 
+Projects using it include
+[hledger](http://hledger.org),
+[Agda](http://wiki.portal.chalmers.se/agda),
+and
+[berp](https://github.com/bjpop/berp).
+
+## Install
+
+There may be a new-enough 
+[packaged version](https://repology.org/metapackage/shelltestrunner/badges)
+on your platform. Eg:
+
+|||
+|----------------|---------------------------------------
+| Debian/Ubuntu: | **`apt install shelltestrunner`**
+| Gentoo:        | **`emerge shelltestrunner`**
+
+Or, build the latest release on any major platform:
+
+|||
+|----------------|---------------------------------------
+| stack:         | **[get stack](https://haskell-lang.org/get-started)**, **`stack install shelltestrunner-1.9`**
+| cabal:         | **`cabal update; cabal install shelltestrunner-1.9`**
+
+## Usage
+
+Here's a minimal test file containing one shell test: <!-- keep synced with tests/examples -->
+
+    # A comment. Testing bash's builtin "echo" command (if /bin/sh is bash)
+    echo
+    >>>= 0
+
+They're called "shell test" because any shell (`/bin/sh` on POSIX, `CMD` on Windows)
+command line can be tested.
+Each test begins with the command to test, followed by optional stdin input, 
+expected stdout and/or stderr output, and ends with the expected exit status.
+Here's another file containing two tests:
+
+    # Test that the "cat" program copies its input to stdout, 
+    # nothing appears on stderr, and exit status is 0.
+    cat
+    <<<
+    foo
+    >>>
+    foo
+    >>>2
+    >>>= 0
+    
+    # Test that cat prints an error containing "unrecognized option" or
+    # "illegal option" and exits with non-zero status if given a bad flag.
+    cat --no-such-flag
+    >>>2 /(unrecognized|illegal) option/
+    >>>= !0
+
+To run these tests:
+
+    $ shelltest echo.test cat.test
+    :echo.test: [OK]
+    :cat.test:1: [OK]
+    :cat.test:2: [OK]
+
+             Test Cases  Total      
+     Passed  3           3          
+     Failed  0           0          
+     Total   3           3          
+
+That's the basics! 
+There are also some alternate test formats you'll read about below.
+
+## Options
+
+    $ shelltest --help
+    shelltest 1.9
+    
+    shelltest [OPTIONS] [TESTFILES|TESTDIRS]
+    
+    Common flags:
+      -l --list             List all parsed tests and stop
+      -a --all              Don't truncate output, even if large
+      -c --color            Show colored output if your terminal supports it
+      -d --diff             Show expected output mismatches in diff format
+      -p --precise          Show expected/actual output precisely (eg whitespace)
+      -h --hide-successes   Show only test failures
+         --xmlout=FILE      Specify file to store test results in xml format.
+      -D --defmacro=D=DEF   Specify a macro that is evaluated by preprocessor
+                            before the test files are parsed. D stands for macro
+                            definition that is replaced with the value of DEF.
+      -i --include=PAT      Include tests whose name contains this glob pattern
+      -x --exclude=STR      Exclude test files whose path contains STR
+         --execdir          Run tests from within the test file's directory
+         --extension=EXT    File suffix of test files (default: .test)
+      -w --with=EXECUTABLE  Replace the first word of (unindented) test commands
+      -o --timeout=SECS     Number of seconds a test may run (default: no limit)
+      -j --threads=N        Number of threads for running tests (default: 1)
+         --debug            Show debug info, for troubleshooting
+         --debug-parse      Show test file parsing info and stop
+      -? --help             Display help message
+      -V --version          Print version information
+         --numeric-version  Print just the version number
+    
+`shelltest` accepts one or more test file or directory arguments.
+A directory means all files below it named `*.test` (customisable with `--extension`).
+
+Test commands are run with `/bin/sh` on POSIX systems and with `CMD` on Windows.
+By default, they are run in the directory in which you ran `shelltest`;
+with `--execdir` they will run in each test file's directory instead.
+
+`--include` selects only tests whose name (file name plus intra-file sequence number) matches a
+[.gitignore-style pattern](https://batterseapower.github.io/test-framework#the-console-test-runner),
+while `--exclude` skips tests based on their file path.
+These can be used eg to focus on a particular test, or to skip tests intended for a different platform.
+
+`-D/--defmacro` defines a macro that is replaced by preprocessor before any tests are parsed and run.
+
+`-w/--with` replaces the first word of all test commands with something
+else, which can be useful for testing alternate versions of a
+program. Commands which have been prefixed by an extra space will
+not be affected by this option.
+
+`--hide-successes` gives quieter output, reporting only failed tests.
+
+Long flags can be abbreviated to a unique prefix.
+ 
+
+For example, the command:
+
+    $ shelltest tests -i args -c -j8 -o1 -DCONF_FILE=test/myconf.cfq --hide
+
+- runs the tests defined in any `*.test` file in or below the `tests/` directory
+- whose names contain "`args`"
+- in colour if possible
+- with up to 8 tests running in parallel
+- allowing no more than 1 second for each test
+- replacing the text "`CONF_FILE`" in all tests with "`test/myconf.cfq`"
+- reporting only the failures.
+
+## Test formats
+
+shelltestrunner 1.9 adds some experimental new test file formats, described below.
+These need more real-world testing and may evolve further, but they will remain supported or will have a migration path.
+
+| Format name | Description                                                                  | Delimiters, in order       |
+|-------------|------------------------------------------------------------------------------|----------------------------|
+| format 1    | command first, exit status is required                                       | `(none) <<< >>> >>>2 >>>=` |
+| format 2    | input first, can be reused by multiple tests, some delimiters can be omitted | `<<<    $$$ >>> >>>2 >>>=` |
+| format 3    | like format 2, but with shorter delimiters                                   | `<      $   >   >2   >=`   |
+
+shelltestrunner tries to parse each file first with format 2, then format 3, then format 1.
+All tests within a file should use the same format.
+I suggest choosing format 3 (short delimiters), switching to format 2 when longer delimiters are needed.
+
+### Format 1
+
+Test files contain one or more individual tests, each consisting of a
+one-line shell command, optional input, expected standard output
+and/or error output, and a (required) exit status.
+
+    # COMMENTS OR BLANK LINES
+    COMMAND LINE
+    <<<
+    INPUT
+    >>>
+    EXPECTED OUTPUT (OR >>> /REGEXP/)
+    >>>2
+    EXPECTED STDERR (OR >>>2 /REGEXP/)
+    >>>= EXPECTED EXIT STATUS (OR >>>= /REGEXP/)
+
+When not specified, stdout/stderr are ignored.
+A space before the command protects it from -w/--with.
+
+Examples: 
+[above](#usage),
+[shelltestrunner](https://github.com/simonmichael/shelltestrunner/tree/master/tests/format1),
+[hledger](https://github.com/simonmichael/hledger/tree/master/tests),
+[berp](https://github.com/bjpop/berp/tree/master/test/regression),
+[cblrepo](https://github.com/magthe/cblrepo/tree/master/tests).
+
+### Format 2
+
+(shelltestrunner 1.9+) 
+This improves on format 1 in two ways: it allows tests to reuse the
+same input, and it allows delimiters to often be omitted.
+
+Test files contain one or more test groups. 
+A test group consists of some optional standard input and one or more tests.
+Each test is a one-line shell command followed by optional expected standard output, 
+error output and/or numeric exit status, separated by delimiters.
+
+    # COMMENTS OR BLANK LINES
+    <<<
+    INPUT
+    $$$ COMMAND LINE
+    >>>
+    EXPECTED OUTPUT (OR >>> /REGEX/)
+    >>>2
+    EXPECTED STDERR (OR >>>2 /REGEX/)
+    >>>= EXPECTED EXIT STATUS (OR >>>= /REGEX/ OR >>>=)
+    # COMMENTS OR BLANK LINES
+    ADDITIONAL TESTS FOR THIS INPUT
+    ADDITIONAL TEST GROUPS WITH DIFFERENT INPUT
+
+All test parts are optional except the command line.
+If not specified, stdout and stderr are expected to be empty
+and exit status is expected to be zero.
+
+Two spaces between `$$$` and the command protects it from -w/--with.
+
+The `<<<` delimiter is optional for the first input in a file.
+Without it, input begins at the first non-blank/comment line.
+Input ends at the `$$$` delimiter. You can't put a comment before the first `$$$`.
+
+The `>>>` delimiter is optional except when matching via regex.
+Expected output/stderr extends to the next `>>>2` or `>>>=` if present,
+or to the last non-blank/comment line before the next `<<<` or `$$$` or file end.
+`/REGEX/` regular expression patterns may be used instead of
+specifying the expected output in full. The regex syntax is
+[regex-tdfa](http://hackage.haskell.org/package/regex-tdfa)'s, plus
+you can put `!` before `/REGEX/` to negate the match.
+
+The [exit status](http://en.wikipedia.org/wiki/Exit_status) is a
+number, normally 0 for a successful exit.  This too can be prefixed
+with `!` to negate the match, or you can use a `/REGEX/` pattern.
+A `>>>=` with nothing after it ignores the exit status.
+
+Examples: <!-- keep synced with tests/examples -->
+
+All delimiters explicit:
+
+    # cat copies its input to stdout
+    <<<
+    foo
+    $$$ cat
+    >>>
+    foo
+
+    # or, given a bad flag, prints a platform-specific error and exits with non-zero status
+    $$$ cat --no-such-flag
+    >>>2 /(unrecognized|illegal) option/
+    >>>= !0
+
+    # echo ignores the input and prints a newline.
+    # We need the >>>= (or a >>>2) to delimit the whitespace which
+    # would otherwise be ignored.
+    $$$ echo
+    >>>
+
+    >>>=
+
+Non-required `<<<` and `>>>` delimiters omitted:
+
+    foo
+    $$$ cat
+    foo
+
+    $$$ cat --no-such-flag
+    >>>2 /(unrecognized|illegal) option/
+    >>>= !0
+
+    $$$ echo
+
+    >>>=
+
+### Format 3
+
+(shelltestrunner 1.9+)
+The same as format 2, but with more convenient short delimiters: < $ > >2 >=.
+
+    # COMMENTS OR BLANK LINES
+    <
+    INPUT
+    $ COMMAND LINE
+    >
+    EXPECTED OUTPUT (OR > /REGEX/)
+    >2
+    EXPECTED STDERR (OR >2 /REGEX/)
+    >= EXPECTED EXIT STATUS (OR >= /REGEX/ OR >=)
+    # COMMENTS OR BLANK LINES
+    ADDITIONAL TESTS FOR THIS INPUT
+    ADDITIONAL TEST GROUPS WITH DIFFERENT INPUT
+
+Examples: <!-- keep synced with tests/examples -->
+
+All delimiters explicit:
+
+    # cat copies its input to stdout
+    <
+    foo
+    $ cat
+    >
+    foo
+
+    # or, given a bad flag, prints a platform-specific error and exits with non-zero status
+    $ cat --no-such-flag
+    >2 /(unrecognized|illegal) option/
+    >= !0
+
+    # echo ignores the input and prints a newline.
+    # We use an explicit >= (or >2) to delimit the whitespace which
+    # would otherwise be ignored.
+    $ echo
+    >
+
+    >=
+
+Non-required `<` and `>` delimiters omitted:
+
+    foo
+    $ cat
+    foo
+
+    $ cat --no-such-flag
+    >2 /(unrecognized|illegal) option/
+    >= !0
+
+    $ echo
+    >
+
+    >2
+
+[shelltestrunner](https://github.com/simonmichael/shelltestrunner/tree/master/tests/format3)
+
+## Support/Contribute
+
+|||
+|----------------------|--------------------------------------------------|
+| Released version:    | http://hackage.haskell.org/package/shelltestrunner
+| Changelog:           | http://hackage.haskell.org/package/shelltestrunner/changelog
+| Code                 | https://github.com/simonmichael/shelltestrunner
+| Issues               | https://github.com/simonmichael/shelltestrunner/issues
+| IRC                  | http://webchat.freenode.net?channels=shelltestrunner <!-- or /msg sm -->
+<!-- | Email                | [simon@joyful.com](mailto:simon@joyful.com?subject=[shelltestrunner]) -->
+
+[2012 user survey](https://docs.google.com/spreadsheet/pub?key=0Au47MrJax8HpdGpZSzdhWHlCUkJpR2hjX1MwMWFoUEE&single=true&gid=3&output=html).
+
+Feedback, testing, code, documentation, packaging, blogging, and funding are most welcome.
+
+<div id="donate-buttons">
+<a title="Donate via Paypal" href="https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=2PLCMR67L4G3E"><img src="/site/paypal.gif" alt="Paypal"></a>
+</div>
+
+## Credits
+
+[Simon Michael](http://joyful.com) wrote shelltestrunner,
+inspired by John Wiegley's tests for Ledger.
+
+Code contributors include:
+Taavi Väljaots,
+John Macfarlane,
+Andrés Sicard-Ramírez,
+Iustin Pop,
+Trygve Laugstøl,
+Bernie Pope,
+Sergei Trofimovich,
+John Chee.
+
+shelltestrunner depends on several fine libraries, in particular Max
+Bolingbroke's test-framework, and of course on the Glorious Haskell
+Compiler.
+
+The Blade Runner font is by Phil Steinschneider.
+
+<!-- http://www.explore-science-fiction-movies.com/blade-runner-movie-quotes.html -->
diff --git a/shelltest.hs b/shelltest.hs
deleted file mode 100644
--- a/shelltest.hs
+++ /dev/null
@@ -1,446 +0,0 @@
-{-# LANGUAGE DeriveDataTypeable, CPP #-}
-{- |
-
-shelltest - a tool for testing command-line programs.
-
-See shelltestrunner.cabal.
-
-(c) Simon Michael 2009-2011, released under GNU GPLv3 or later.
-
--}
-
-module Main
-where
-import Control.Concurrent (forkIO)
-import Control.Concurrent.MVar (newEmptyMVar, putMVar, takeMVar)
-import Control.Monad (liftM,when,unless)
-import Data.List
-import Data.Maybe (isNothing,isJust,fromJust,catMaybes)
-import Data.Version (showVersion)
-import qualified Test.HUnit (Test)
-import System.Console.CmdArgs
-import System.Exit
-import System.IO (Handle, hGetContents, hPutStr)
-import System.Process (StdStream (CreatePipe), shell, createProcess, CreateProcess (..), waitForProcess, ProcessHandle)
-import Test.Framework (defaultMainWithArgs)
-import Test.Framework.Providers.HUnit (hUnitTestToTests)
-import Test.HUnit hiding (Test)
-import Text.ParserCombinators.Parsec
-import Text.Printf (printf)
-import Text.Regex.TDFA ((=~))
-import Debug.Trace
-import System.Directory (doesDirectoryExist)
-import System.FilePath (takeDirectory)
-import System.FilePath.Find (findWithHandler, (==?), always)
-import qualified System.FilePath.Find as Find (extension)
-#if !MIN_VERSION_base(4,8,0)
-import Control.Applicative ((<$>))
-#endif
-import Data.Algorithm.Diff
-
-import PlatformString (fromPlatformString, toPlatformString)
-import Paths_shelltestrunner (version)
-
-strace :: Show a => a -> a
-strace a = trace (show a) a
-
-progname, progversion :: String
-progname = "shelltest"
-progversion = progname ++ " " ++ showVersion version
-proghelpsuffix :: [String]
-proghelpsuffix = [
-   -- keep this bit synced with options width
-   "     -- TFOPTIONS       Set extra test-framework options like -j/--threads,"
-  ,"                        -t/--select-tests, -o/--timeout, --hide-successes."
-  ,"                        Use -- --help for a list. Avoid spaces."
-  ,""
-  ]
-formathelp :: String
-formathelp = unlines [
-   "Test format:"
-  ,""
-  ,"# optional comments"
-  ,"one-line shell command (required; indent to disable --with substitution)"
-  ,"<<<"
-  ,"0 or more lines of stdin input"
-  ,">>>"
-  ,"0 or more lines of expected stdout output (or /regexp/ on the previous line)"
-  ,">>>2"
-  ,"0 or more lines of expected stderr output (or /regexp/ on the previous line)"
-  ,">>>= 0 (or other expected numeric exit status, or /regexp/) (required)"
-  ,""
-  ]
-
-data Args = Args {
-     all_        :: Bool
-    ,color       :: Bool
-    ,diff        :: Bool
-    ,precise     :: Bool
-    ,exclude     :: [String]
-    ,execdir     :: Bool
-    ,extension   :: String
-    ,with        :: String
-    ,debug       :: Bool
-    ,debug_parse :: Bool
-    ,help_format :: Bool
-    ,testpaths   :: [FilePath]
-    } deriving (Show, Data, Typeable)
-
-argdefs = Args {
-     all_        = def     &= help "Show all failure output, even if large"
-    ,color       = def     &= help "Show colored output if your terminal supports it"
-    ,diff        = def     &= name "d" &= help "Show failures in diff format"
-    ,precise     = def     &= help "Show failure output precisely (good for whitespace)"
-    ,exclude     = def     &= name "x" &= typ "STR" &= help "Exclude test files whose path contains STR"
-    ,execdir     = def     &= help "Run tests from within the test file's directory"
-    ,extension   = ".test" &= typ "EXT" &= help "Filename suffix of test files (default: .test)"
-    ,with        = def     &= typ "EXECUTABLE" &= help "Replace the first word of (unindented) test commands"
-    ,debug       = def     &= help "Show debug info, for troubleshooting"
-    ,debug_parse = def     &= help "Show test file parsing info and stop"
-    ,help_format = def     &= explicit &= name "help-format" &= help "Display test format help"
-    ,testpaths   = def     &= args &= typ "TESTFILES|TESTDIRS"
-    }
-    &= program progname
-    &= summary progversion
-    &= details proghelpsuffix
-
-data ShellTest = ShellTest {
-     testname         :: String
-    ,command          :: TestCommand
-    ,stdin            :: Maybe String
-    ,stdoutExpected   :: Maybe Matcher
-    ,stderrExpected   :: Maybe Matcher
-    ,exitCodeExpected :: Matcher
-    }
-
-data TestCommand = ReplaceableCommand String
-                 | FixedCommand String
-                   deriving Show
-
-type Regexp = String
-
-data Matcher = Lines Int String
-             | Numeric String
-             | NegativeNumeric String
-             | PositiveRegex Regexp
-             | NegativeRegex Regexp
-
-main :: IO ()
-main = do
-  args' <- cmdArgs argdefs >>= checkArgs
-  let (args,passthroughopts) = (args'{testpaths=realargs}, ptopts)
-          where (ptopts,realargs) = partition ("-" `isPrefixOf`) $ testpaths args'
-  when (debug args) $ printf "%s\n" progversion >> printf "args: %s\n" (show args)
-  let paths = testpaths args
-  testfiles' <- nub . concat <$> mapM (\p -> do
-                                       isdir <- doesDirectoryExist p
-                                       if isdir
-                                        then findWithHandler (\_ e->fail (show e)) always (Find.extension ==? extension args) p
-                                        else return [p]) paths
-  let testfiles = filter (not . \p -> any (`isInfixOf` p) (exclude args)) testfiles'
-      excluded = length testfiles' - length testfiles
-  when (excluded > 0) $ printf "Excluding %d test files\n" excluded
-  when (debug args) $ printf "processing %d test files: %s\n" (length testfiles) (intercalate ", " $ map fromPlatformString $ testfiles)
-  parseresults <- mapM (parseShellTestFile args) testfiles
-  unless (debug_parse args) $ defaultMainWithArgs
-                               (concatMap (hUnitTestToTests . testFileParseToHUnitTest args) parseresults)
-                               (passthroughopts ++ if color args then [] else ["--plain"])
-
--- | Additional argument checking.
-checkArgs :: Args -> IO Args
-checkArgs args = do
-  when (help_format args) $ printf formathelp >> exitSuccess
-  when (null $ testpaths args) $
-       warn $ printf "Please specify at least one test file or directory, eg: %s tests" progname
-  return args
-
--- | Show a message, usage string, and terminate with exit status 1.
-warn :: String -> IO ()
-warn s = putStrLn s >> exitWith (ExitFailure 1)
-
--- parsing
-
-parseShellTestFile :: Args -> FilePath -> IO (Either ParseError [ShellTest])
-parseShellTestFile args f = do
-  p <- parseFromFile shelltestfilep f
-  case p of
-    Right ts -> do
-           let ts' | length ts > 1 = [t{testname=testname t++":"++show n} | (n,t) <- zip ([1..]::[Int]) ts]
-                   | otherwise     = ts
-           when (debug args || debug_parse args) $ do
-                               printf "parsed %s:\n" $ fromPlatformString f
-                               mapM_ (putStrLn.(' ':).show) ts'
-           return $ Right ts'
-    Left _ -> do
-           when (debug args || debug_parse args) $ do
-                               printf "failed to parse any tests in %s\n" $ fromPlatformString f
-           return p
-
-shelltestfilep :: Parser [ShellTest]
-shelltestfilep = do
-  ts <- many (try shelltestp)
-  skipMany whitespaceorcommentlinep
-  eof
-  return ts
-
-shelltestp :: Parser ShellTest
-shelltestp = do
-  st <- getParserState
-  let f = fromPlatformString $ sourceName $ statePos st
-  skipMany whitespaceorcommentlinep
-  c <- commandp <?> "command line"
-  i <- optionMaybe inputp <?> "input"
-  o <- optionMaybe expectedoutputp <?> "expected output"
-  e <- optionMaybe expectederrorp <?> "expected error output"
-  x <- expectedexitcodep <?> "expected exit status"
-  when (null (show c) && (isNothing i) && (null $ catMaybes [o,e]) && null (show x)) $ fail ""
-  return $ ShellTest{testname=f,command=c,stdin=i,stdoutExpected=o,stderrExpected=e,exitCodeExpected=x}
-
-newlineoreofp, whitespacecharp :: Parser Char
-linep,lineoreofp,whitespacep,whitespacelinep,commentlinep,whitespaceorcommentlinep,whitespaceorcommentlineoreofp,delimiterp,inputp :: Parser String
-linep = (anyChar `manyTill` newline) <?> "rest of line"
-newlineoreofp = newline <|> (eof >> return '\n') <?> "newline or end of file"
-lineoreofp = (anyChar `manyTill` newlineoreofp)
-whitespacecharp = oneOf " \t"
-whitespacep = many whitespacecharp
-whitespacelinep = try (newline >> return "") <|> try (whitespacecharp >> whitespacecharp `manyTill` newlineoreofp)
-commentlinep = try (whitespacep >> char '#' >> lineoreofp) <?> "comments"
-whitespaceorcommentlinep = commentlinep <|> whitespacelinep
-whitespaceorcommentlineoreofp = choice [(eof >> return ""), commentlinep, whitespacelinep]
-delimiterp = choice [try $ string "<<<", try $ string ">>>", eof >> return ""]
-
-commandp,fixedcommandp,replaceablecommandp :: Parser TestCommand
-commandp = fixedcommandp <|> replaceablecommandp
-fixedcommandp = many1 whitespacecharp >> linep >>= return . FixedCommand
-replaceablecommandp = linep >>= return . ReplaceableCommand
-
-inputp = try $ string "<<<" >> whitespaceorcommentlinep >> (liftM unlines) (linep `manyTill` (lookAhead delimiterp))
-
-expectedoutputp :: Parser Matcher
-expectedoutputp = (try $ do
-  string ">>>" >> optional (char '1')
-  whitespacep
-  choice [positiveregexmatcherp, negativeregexmatcherp, whitespaceorcommentlineoreofp >> linesmatcherp]
- ) <?> "expected output"
-
-expectederrorp :: Parser Matcher
-expectederrorp = (try $ do
-  string ">>>2"
-  whitespacep
-  choice [positiveregexmatcherp, negativeregexmatcherp, (whitespaceorcommentlineoreofp >> linesmatcherp)]
- ) <?> "expected error output"
-
-expectedexitcodep :: Parser Matcher
-expectedexitcodep = (try $ do
-  string ">>>="
-  whitespacep
-  choice [positiveregexmatcherp, try negativeregexmatcherp, numericmatcherp, negativenumericmatcherp]
- ) <?> "expected exit status"
-
-linesmatcherp :: Parser Matcher
-linesmatcherp = do
-  ln <- liftM sourceLine getPosition
-  (liftM $ Lines ln . unlines) (linep `manyTill` (lookAhead delimiterp)) <?> "lines of output"
-
-negativeregexmatcherp :: Parser Matcher
-negativeregexmatcherp = (do
-  char '!'
-  PositiveRegex r <- positiveregexmatcherp
-  return $ NegativeRegex r) <?> "non-matched regexp pattern"
-
-positiveregexmatcherp :: Parser Matcher
-positiveregexmatcherp = (do
-  char '/'
-  r <- (try escapedslashp <|> noneOf "/") `manyTill` (char '/')
-  whitespaceorcommentlineoreofp
-  return $ PositiveRegex r) <?> "regexp pattern"
-
-negativenumericmatcherp :: Parser Matcher
-negativenumericmatcherp = (do
-  char '!'
-  Numeric s <- numericmatcherp
-  return $ NegativeNumeric s
-  ) <?> "non-matched number"
-
-numericmatcherp :: Parser Matcher
-numericmatcherp = (do
-  s <- many1 $ oneOf "0123456789"
-  whitespaceorcommentlineoreofp
-  return $ Numeric s
-  ) <?> "number"
-
-escapedslashp :: Parser Char
-escapedslashp = char '\\' >> char '/'
-
--- running
-
-testFileParseToHUnitTest :: Args -> Either ParseError [ShellTest] -> Test.HUnit.Test
-testFileParseToHUnitTest args (Right ts) = TestList $ map (shellTestToHUnitTest args) ts
-testFileParseToHUnitTest _ (Left e) = ("parse error in " ++ (sourceName $ errorPos e)) ~: assertFailure $ show e
-
-shellTestToHUnitTest :: Args -> ShellTest -> Test.HUnit.Test
-shellTestToHUnitTest args ShellTest{testname=n,command=c,stdin=i,stdoutExpected=o_expected,
-                                    stderrExpected=e_expected,exitCodeExpected=x_expected} = 
- n ~: do
-  let e = with args
-      cmd = case (e,c) of (_:_, ReplaceableCommand s) -> e ++ " " ++ dropWhile (/=' ') s
-                          (_, ReplaceableCommand s)   -> s
-                          (_, FixedCommand s)         -> s
-      dir = if execdir args then Just $ takeDirectory n else Nothing
-      trim' = if all_ args then id else trim
-  when (debug args) $ printf "command was: %s\n" (show cmd)
-  (o_actual, e_actual, x_actual) <- runCommandWithInput dir (toPlatformString cmd) i
-  when (debug args) $ do
-    printf "stdout was : %s\n" (show $ trim' o_actual)
-    printf "stderr was : %s\n" (show $ trim' e_actual)
-    printf "exit was   : %s\n" (show $ trim' $ show x_actual)
-  if (x_actual == 127) -- catch bad executable - should work on posix systems at least
-   then ioError $ userError e_actual -- XXX still a test failure; should be an error
-   else assertString $ addnewline $ intercalate "\n" $ filter (not . null) [
-             if (maybe True (o_actual `matches`) o_expected)
-              then ""
-              else showExpectedActual args "stdout"    (fromJust o_expected) o_actual
-            ,if (maybe True (e_actual `matches`) e_expected)
-              then ""
-              else showExpectedActual args "stderr"    (fromJust e_expected) e_actual
-            ,if (show x_actual `matches` x_expected)
-              then ""
-              else showExpectedActual args{diff=False} "exit code" x_expected (show x_actual)
-            ]
-       where addnewline "" = ""
-             addnewline s  = "\n"++s
-
--- | Run a shell command line, passing it standard input if provided,
--- and return the standard output, standard error output and exit code.
--- Note on unix, at least with ghc 6.12, command (and filepath) are assumed to be utf8-encoded.
-runCommandWithInput :: Maybe FilePath -> String -> Maybe String -> IO (String, String, Int)
-runCommandWithInput wd cmd input = do
-  -- this has to be done carefully
-  (ih,oh,eh,ph) <- runInteractiveCommandInDir wd cmd 
-  when (isJust input) $ forkIO (hPutStr ih $ fromJust input) >> return ()
-  o <- newEmptyMVar
-  e <- newEmptyMVar
-  forkIO $ oh `hGetContentsStrictlyAnd` putMVar o
-  forkIO $ eh `hGetContentsStrictlyAnd` putMVar e
-  x_actual <- waitForProcess ph >>= return.fromExitCode
-  o_actual <- takeMVar o
-  e_actual <- takeMVar e
-  return (o_actual, e_actual, x_actual)
-
-runInteractiveCommandInDir :: Maybe FilePath -> String ->  IO (Handle, Handle, Handle, ProcessHandle)
-runInteractiveCommandInDir wd cmd = do
-   (mb_in, mb_out, mb_err, p) <- 
-      createProcess $ 
-         (shell cmd) { cwd = wd
-                     , std_in  = CreatePipe
-                     , std_out = CreatePipe
-                     , std_err = CreatePipe }
-   return (fromJust mb_in, fromJust mb_out, fromJust mb_err, p)
-
-hGetContentsStrictlyAnd :: Handle -> (String -> IO b) -> IO b
-hGetContentsStrictlyAnd h f = hGetContents h >>= \s -> length s `seq` f s
-
-matches :: String -> Matcher -> Bool
-matches s (PositiveRegex r)   = s `containsRegex` r
-matches s (NegativeRegex r)   = not $ s `containsRegex` r
-matches s (Numeric p)         = s == p
-matches s (NegativeNumeric p) = not $ s == p
-matches s (Lines _ p)         = s == p
-
-showExpectedActual :: Args -> String -> Matcher -> String -> String
-showExpectedActual args@Args{diff=True} _ (Lines ln e) a =
-    printf "--- Expected\n+++ Got\n" ++ showDiff args(1,ln) (getDiff (lines a) (lines e))
-showExpectedActual Args{all_=all_,precise=precise} field e a =
-    printf "Expected %s: %s\nGot %s:      %s" field (show' $ showm e) field (show' $ trim' a)
-    where
-      show' = if precise then show else ("\n"++)
-      showm = if all_ then showMatcher else showMatcherTrimmed
-      trim' = if all_ then id else trim
-
-showDiff :: Args -> (Int,Int) -> [(Diff String)] -> String
-showDiff _ _ []                   = ""
-showDiff args@Args{all_=all_,precise=precise} (l,r) ((First ln) : ds) =
-    printf "+%4d " l ++ ln' ++ "\n" ++ showDiff args (l+1,r) ds
-    where
-      ln' = trim' $ show' ln
-      trim' = if all_ then id else trim
-      show' = if precise then show else id
-showDiff args@Args{all_=all_,precise=precise} (l,r) ((Second ln) : ds) =
-    printf "-%4d " r ++ ln' ++ "\n" ++ showDiff args (l,r+1) ds
-    where
-      ln' = trim' $ show' ln
-      trim' = if all_ then id else trim
-      show' = if precise then show else id
-showDiff args (l,r) ((Both _ _) : ds) = showDiff args (l+1,r+1) ds
-
-instance Show Matcher where show = showMatcherTrimmed
-
-showMatcherTrimmed :: Matcher -> String
-showMatcherTrimmed (PositiveRegex r)   = "/"++(trim r)++"/"
-showMatcherTrimmed (NegativeRegex r)   = "!/"++(trim r)++"/"
-showMatcherTrimmed (Numeric s)         = trim s
-showMatcherTrimmed (NegativeNumeric s) = "!"++ trim s
-showMatcherTrimmed (Lines _ s)         = trim s
-
-showMatcher :: Matcher -> String
-showMatcher (PositiveRegex r)   = "/"++r++"/"
-showMatcher (NegativeRegex r)   = "!/"++r++"/"
-showMatcher (Numeric s)         = s
-showMatcher (NegativeNumeric s) = "!"++ s
-showMatcher (Lines _ s)         = s
-
-instance Show ShellTest where
-    show ShellTest{testname=n,command=c,stdin=i,stdoutExpected=o,stderrExpected=e,exitCodeExpected=x} =
-        printf "ShellTest {testname = %s, command = %s, stdin = %s, stdoutExpected = %s, stderrExpected = %s, exitCodeExpected = %s}"
-                   (show $ trim n)
-                   (show c)
-                   (maybe "Nothing" (show.trim) i)
-                   (show o)
-                   (show e)
-                   (show x)
-
-
--- utils
-
-trim :: String -> String
-trim s | l <= limit = s
-       | otherwise = take limit s ++ suffix
-    where
-      limit = 500
-      l = length s
-      suffix = printf "...(%d more)" (l-limit)
-
--- toExitCode :: Int -> ExitCode
--- toExitCode 0 = ExitSuccess
--- toExitCode n = ExitFailure n
-
-fromExitCode :: ExitCode -> Int
-fromExitCode ExitSuccess     = 0
-fromExitCode (ExitFailure n) = n
-
-strip,lstrip,rstrip,dropws :: String -> String
-strip = lstrip . rstrip
-lstrip = dropws
-rstrip = reverse . dropws . reverse
-dropws = dropWhile (`elem` " \t")
-
--- | Test if a string contains a regular expression.  A malformed regexp
--- (or a regexp larger than 300 characters, to avoid a regex-tdfa memory leak)
--- will cause a runtime error.  This version uses regex-tdfa and no regexp
--- options.
-containsRegex :: String -> String -> Bool
-containsRegex s "" = containsRegex s "^"
-containsRegex s r
-    | length r <= 300 = s =~ r
-    | otherwise      =  error "please avoid regexps larger than 300 characters, they are currently problematic"
-
--- | Replace occurrences of old list with new list within a larger list.
-replace::(Eq a) => [a] -> [a] -> [a] -> [a]
-replace [] _ = id
-replace old new = replace'
-    where
-     replace' [] = []
-     replace' l@(h:ts) = if old `isPrefixOf` l
-                          then new ++ replace' (drop len l)
-                          else h : replace' ts
-     len = length old
diff --git a/shelltestrunner.cabal b/shelltestrunner.cabal
--- a/shelltestrunner.cabal
+++ b/shelltestrunner.cabal
@@ -1,52 +1,72 @@
 name:           shelltestrunner
--- sync with: CHANGES [ANNOUNCE]
-version:        1.3.5
+version:        1.9
 category:       Testing
-synopsis:       A tool for testing command-line programs.
+synopsis:       Easy, repeatable testing of CLI programs/commands
+
 description:
- shelltestrunner is a cross-platform tool for testing command-line
- programs (or arbitrary shell commands.)  It reads simple declarative tests
- specifying a command, some input, and the expected output, error output
- and exit status.  Tests can be run selectively, in parallel, with a
- timeout, in color, and/or with differences highlighted.
+  shelltestrunner (executable: shelltest) is a portable
+  command-line tool for testing command-line programs, or general shell
+  commands, released under GPLv3+.  It reads simple test specifications
+  defining a command to run, some input, and the expected output,
+  stderr, and exit status.  It can run tests in parallel, selectively,
+  with a timeout, in color, etc. 
+
 license:        GPL
 license-file:   LICENSE
 author:         Simon Michael <simon@joyful.com>
 maintainer:     Simon Michael <simon@joyful.com>
-homepage:       http://joyful.com/shelltestrunner
-bug-reports:    mailto:simon@joyful.com
+homepage:       https://github.com/simonmichael/shelltestrunner
+bug-reports:    https://github.com/simonmichael/shelltestrunner/issues
 stability:      stable
-tested-with:    GHC==7.8.4, GHC==7.10.1
+tested-with:    GHC==7.10.3, GHC==8.0.2, GHC==8.2.2
 cabal-version:  >= 1.6
 build-type:     Simple
 
 extra-tmp-files:
 extra-source-files:
-                    CHANGES
+  README.md
+  CHANGES
+  ANNOUNCE
+  tests/format1/*.test
+  tests/format1.unix/*.test
+  tests/format1.windows/*.test
+  tests/format2/*.test
+  tests/format2.unix/*.test
+  tests/format2.windows/*.test
+  tests/format3/*.test
+  tests/format3.unix/*.test
+  tests/format3.windows/*.test
+  tests/examples/*.test
 
 executable shelltest
-  main-is:        shelltest.hs
-  other-modules:  PlatformString
-  ghc-options:    -threaded -W -fwarn-tabs
-  build-depends:
-    base                 >= 4     && < 5,
-    Diff                 >= 0.2.0 && < 0.4,
-    filemanip            >= 0.3   && < 0.4,
-    HUnit                            < 1.3,
-    cmdargs              >= 0.7   && < 0.11,
-    directory            >= 1.0,
-    filepath             >= 1.0,
-    parsec                           < 3.2,
-    pretty-show          >= 1.6.5,
-    process                          < 1.3,
-    regex-tdfa           >= 1.1   && < 1.3,
-    safe,
-    test-framework       >= 0.3.2 && < 0.9,
-    test-framework-hunit >= 0.2   && < 0.4,
-    utf8-string          >= 0.3.5 && < 1.1
-
   ghc-options: -threaded -W -fwarn-tabs
+  main-is: shelltest.hs
+  hs-source-dirs: src
+  other-modules:
+    Import
+    Parse
+    Preprocessor
+    Types
+    Utils
+    Utils.Debug
 
+  build-depends:
+      base                 >= 4     && < 5
+    , Diff                 >= 0.2.0
+    , filemanip            >= 0.3
+    , HUnit
+    , cmdargs              >= 0.7
+    , directory            >= 1.0
+    , filepath             >= 1.0
+    , parsec
+    , pretty-show          >= 1.6.5
+    , process
+    , regex-tdfa           >= 1.1
+    , safe
+    , test-framework       >= 0.3.2
+    , test-framework-hunit >= 0.2
+    , utf8-string          >= 0.3.5
+
 source-repository head
-  type:     darcs
-  location: http://hub.darcs.net/simon/shelltestrunner
+  type:     git
+  location: https://github.com/simonmichael/shelltestrunner
diff --git a/src/Import.hs b/src/Import.hs
new file mode 100644
--- /dev/null
+++ b/src/Import.hs
@@ -0,0 +1,18 @@
+-- our local prelude, imports common to all modules
+
+module Import
+    ( module Control.Applicative
+    , module Control.Monad
+    , module Data.List
+    , module Data.Maybe
+    , module System.Exit
+    , module Text.Printf
+    ) where
+
+import Control.Applicative ((<$>), (<*), (*>))
+import Control.Monad (liftM, when, unless)
+import Data.List
+import Data.Maybe
+import System.Exit
+import Text.Printf (printf)
+-- import Text.Regex.TDFA ((=~))
diff --git a/src/Parse.hs b/src/Parse.hs
new file mode 100644
--- /dev/null
+++ b/src/Parse.hs
@@ -0,0 +1,393 @@
+module Parse
+  ( parseShellTestFile
+  )
+  where
+
+import Text.Parsec
+import Text.Parsec.String
+
+import Import
+import Types
+import Utils hiding (dbg, ptrace)
+import qualified Utils
+import Preprocessor
+import System.IO hiding (stdin)
+
+
+parseFromFileWithPreprocessor :: (Parser [ShellTest]) -> PreProcessor -> FilePath -> IO (Either ParseError [ShellTest])
+parseFromFileWithPreprocessor p preproc fname =
+    do
+        h <- openFile fname ReadMode
+        hSetNewlineMode h universalNewlineMode
+        input <- hGetContents h
+        let processed = preprocess preproc input
+        case processed of    Right text -> return (runParser p () fname text)
+                             (Left err) -> return (Left err) -- To make haskell happy.
+
+
+-- parseFromFile
+-- | Parse this shell test file, optionally logging debug output.
+parseShellTestFile :: Bool -> PreProcessor -> FilePath -> IO (Either ParseError [ShellTest])
+parseShellTestFile debug preProcessor f = do
+  p <- parseFromFileWithPreprocessor shelltestfile preProcessor f
+  case p of
+    Right ts -> do
+           let ts' | length ts > 1 = [t{testname=testname t++":"++show n} | (n,t) <- zip ([1..]::[Int]) ts]
+                   | otherwise     = ts
+           when (debug) $ do
+             printf "parsed %s:\n" f
+             mapM_ (putStrLn.(' ':).ppShow) ts'
+           return $ Right ts'
+    Left _ -> do
+           when (debug) $ printf "failed to parse any tests in %s\n" f
+           return p
+
+
+-- parsers
+
+-- show lots of parsing debug output if enabled.
+-- NB not connected to the --debug-parse flag
+showParserDebugOutput = debugLevel >= 2
+
+ptrace_ s  | showParserDebugOutput = Utils.ptrace s
+           | otherwise             = return ()
+ptrace s a | showParserDebugOutput = Utils.ptrace $ s ++ ": " ++ show a
+           | otherwise             = return ()
+
+shelltestfile :: Parser [ShellTest]
+shelltestfile = do
+  ptrace_ "shelltestfile 0"
+  ts <- try (do first <- try (format2testgroup False)
+                rest <- many $ try (format2testgroup True)
+                return $ concat $ first : rest
+        )
+        <|>
+        (do first <- try (format3testgroup False)
+            rest <- many $ try (format3testgroup True)
+            return $ concat $ first : rest
+        )
+        <|>
+        (many $ try format1test)
+  ptrace_ "shelltestfile 1"
+  skipMany whitespaceorcommentline
+  ptrace_ "shelltestfile 2"
+  eof
+  ptrace "shelltestfile ." ts
+  return ts
+
+
+----------------------------------------------------------------------
+-- format 1 (shelltestrunner 1.x)
+-- each test specifies its input; missing test parts are not checked
+
+format1test = do
+  ptrace_ " format1test 0"
+  skipMany whitespaceorcommentline
+  ptrace_ " format1test 1"
+  c <- command1 <?> "command line"
+  ptrace " format1test c" c
+  i <- optionMaybe input1 <?> "input"
+  ptrace " format1test i" i
+  o <- optionMaybe expectedoutput1 <?> "expected output"
+  ptrace " format1test o" o
+  e <- optionMaybe expectederror1 <?> "expected error output"
+  ptrace " format1test e" e
+  x <- expectedexitcode1 <?> "expected exit status"
+  ptrace " format1test x" x
+  when (null (show c) && (isNothing i) && (null $ catMaybes [o,e]) && null (show x)) $ fail ""
+  f <- sourceName . statePos <$> getParserState
+  let t = ShellTest{testname=f,command=c,stdin=i,stdoutExpected=o,stderrExpected=e,exitCodeExpected=x}
+  ptrace " format1test ." t
+  return t
+
+command1 :: Parser TestCommand
+command1 = fixedcommand <|> replaceablecommand
+
+input1 :: Parser String
+input1 = try $ string "<<<" >> whitespaceorcommentline >> unlines <$> (line `manyTill` (lookAhead (try delimiter)))
+
+expectedoutput1 :: Parser Matcher
+expectedoutput1 = (try $ do
+  string ">>>"
+  whitespace
+  choice [regexmatcher, negativeregexmatcher, whitespaceorcommentlineoreof >> linesmatcher1]
+ ) <?> "expected output"
+
+expectederror1 :: Parser Matcher
+expectederror1 = (try $ do
+  string ">>>2"
+  whitespace
+  choice [regexmatcher, negativeregexmatcher, (whitespaceorcommentlineoreof >> linesmatcher1)]
+ ) <?> "expected error output"
+
+expectedexitcode1 :: Parser Matcher
+expectedexitcode1 = (try $ do
+  string ">>>="
+  whitespace
+  fromMaybe anyMatcher <$> (optionMaybe $ choice [regexmatcher, try negativeregexmatcher, numericmatcher, negativenumericmatcher])
+ ) <?> "expected exit status"
+
+----------------------------------------------------------------------
+-- format 2
+-- input first, then tests; missing test parts are implicitly checked
+
+-- A format 2 test group, optionally with the initial <<< delimiter
+-- being optional.
+format2testgroup :: Bool -> Parser [ShellTest]
+format2testgroup inputRequiresDelimiter = do
+  ptrace " format2testgroup 0" inputRequiresDelimiter
+  skipMany whitespaceorcommentline
+  ptrace_ " format2testgroup 1"
+  let startdelims | inputRequiresDelimiter = ["<<<"]
+                  | otherwise              = ["<<<", ""]
+      enddelims = ["$$$","<<<"]
+  i <- optionMaybe (linesBetween startdelims enddelims) <?> "input"
+  ptrace " format2testgroup i" i
+  ts <- many1 $ try (format2test i)
+  ptrace " format2testgroup ." ts
+  return ts
+
+format2test :: Maybe String -> Parser ShellTest
+format2test i = do
+  ptrace_ "  format2test 0"
+  skipMany whitespaceorcommentline
+  ptrace_ "  format2test 1"
+  c <- command2 <?> "command line"
+  ptrace "  format2test c" c
+  nullstdout <- nullLinesMatcher . sourceLine <$> getPosition
+  o <- maybe (Just nullstdout) Just <$> optionMaybe expectedoutput2 <?> "expected output"
+  ptrace "  format2test o" o
+  nullstderr <- nullLinesMatcher . sourceLine <$> getPosition
+  e <- maybe (Just $ nullstderr) Just <$> optionMaybe expectederror2 <?> "expected error output"
+  ptrace "  format2test e" e
+  x <- fromMaybe nullStatusMatcher <$> optionMaybe expectedexitcode2 <?> "expected exit status"
+  ptrace "  format2test x" x
+  when (null (show c) && (isNothing i) && (null $ catMaybes [o,e]) && null (show x)) $ fail ""
+  f <- sourceName . statePos <$> getParserState
+  let t = ShellTest{testname=f,command=c,stdin=i,stdoutExpected=o,stderrExpected=e,exitCodeExpected=x}
+  ptrace "  format2test ." t
+  return t
+
+nullLinesMatcher n = Lines n ""
+
+nullStatusMatcher  = Numeric "0"
+
+anyMatcher = PositiveRegex ""
+
+command2 :: Parser TestCommand
+command2 = string "$$$" >> optional (char ' ') >> (fixedcommand <|> replaceablecommand)
+
+-- In format 2, >>> is used only with /REGEX/, also don't consume the
+-- whitespace/comments immediately preceding a following test.
+expectedoutput2 :: Parser Matcher
+expectedoutput2 = (try $ do
+  try (string ">>>" >> whitespace >> (regexmatcher <|> negativeregexmatcher))
+  <|> (optional (string ">>>" >> whitespaceline) >> linesmatcher2 <?> "expected output")
+ )
+
+-- Don't consume the whitespace/comments immediately preceding a
+-- following test.
+expectederror2 :: Parser Matcher
+expectederror2 = (try $ do
+  ptrace_ "   expectederror2 0"
+  string ">>>2" >> whitespace
+  ptrace_ "   expectederror2 1"
+  m <- (regexmatcher <|> negativeregexmatcher)
+       <|>
+       (newline >> linesmatcher2 <?> "expected error output")
+  ptrace "   expectederror2 ." m
+  return m
+ )
+
+expectedexitcode2 :: Parser Matcher
+expectedexitcode2 = expectedexitcode1
+
+-- The format 2 lines matcher consumes lines until one of these:
+-- 1. another section delimiter in this test (>>>, >>>2, >>>=)
+-- 2. the next test's start delimiter (<<<, $$$), or the start of blank/comment lines preceding it
+-- 3. end of file, or the start of blank/comment lines preceding it
+linesmatcher2 :: Parser Matcher
+linesmatcher2 = do
+  ptrace_ "    linesmatcher2 0"
+  ln <- sourceLine <$> getPosition
+  ls <- unlines <$>
+        line `manyTill` lookAhead (choice' [delimiterNotNewTest
+                                           ,many whitespaceorcommentline >> delimiterNewTest
+                                           ,many whitespaceorcommentline >> eofasstr])
+        <?> "lines of output"
+  ptrace "    linesmatcher2 ." ls
+  return $ Lines ln ls
+
+delimiterNewTest = do
+  -- ptrace_ "     delimiterNewTest 0"
+  choice [string "$$$", string "<<<"]
+
+delimiterNotNewTest = do
+  -- ptrace_ "    delimiterNotNewTest 0"
+  choice [try (string ">>>2"), try (string ">>>="), string ">>>"]
+
+----------------------------------------------------------------------
+-- format 3
+-- Like format 2 but with short delimiters.
+-- XXX duplication
+format3testgroup :: Bool -> Parser [ShellTest]
+format3testgroup inputRequiresDelimiter = do
+  ptrace " format3testgroup 0" inputRequiresDelimiter
+  skipMany whitespaceorcommentline
+  ptrace_ " format3testgroup 1"
+  let startdelims | inputRequiresDelimiter = ["<"]
+                  | otherwise              = ["<", ""]
+      enddelims = ["$","<"]
+  i <- optionMaybe (linesBetween startdelims enddelims) <?> "input"
+  ptrace " format3testgroup i" i
+  ts <- many1 $ try (format3test i)
+  ptrace " format3testgroup ." ts
+  return ts
+
+format3test :: Maybe String -> Parser ShellTest
+format3test i = do
+  ptrace_ "  format3test 0"
+  skipMany whitespaceorcommentline
+  ptrace_ "  format3test 1"
+  c <- command3 <?> "command line"
+  ptrace "  format3test c" c
+  nullstdout <- nullLinesMatcher . sourceLine <$> getPosition
+  o <- maybe (Just nullstdout) Just <$> optionMaybe expectedoutput3 <?> "expected output"
+  ptrace "  format3test o" o
+  nullstderr <- nullLinesMatcher . sourceLine <$> getPosition
+  e <- maybe (Just $ nullstderr) Just <$> optionMaybe expectederror3 <?> "expected error output"
+  ptrace "  format3test e" e
+  x <- fromMaybe nullStatusMatcher <$> optionMaybe expectedexitcode3 <?> "expected exit status"
+  ptrace "  format3test x" x
+  when (null (show c) && (isNothing i) && (null $ catMaybes [o,e]) && null (show x)) $ fail ""
+  f <- sourceName . statePos <$> getParserState
+  let t = ShellTest{testname=f,command=c,stdin=i,stdoutExpected=o,stderrExpected=e,exitCodeExpected=x}
+  ptrace "  format3test ." t
+  return t
+
+command3 :: Parser TestCommand
+command3 = string "$" >> optional (char ' ') >> (fixedcommand <|> replaceablecommand)
+
+-- In format 3, >>> is used only with /REGEX/, also don't consume the
+-- whitespace/comments immediately preceding a following test.
+expectedoutput3 :: Parser Matcher
+expectedoutput3 = (try $ do
+  try (string ">" >> whitespace >> (regexmatcher <|> negativeregexmatcher))
+  <|> (optional (string ">" >> whitespaceline) >> linesmatcher3 <?> "expected output")
+ )
+
+-- Don't consume the whitespace/comments immediately preceding a
+-- following test.
+expectederror3 :: Parser Matcher
+expectederror3 = (try $ do
+  ptrace_ "   expectederror3 0"
+  string ">2" >> whitespace
+  ptrace_ "   expectederror3 1"
+  m <- (regexmatcher <|> negativeregexmatcher)
+       <|>
+       (newline >> linesmatcher3 <?> "expected error output")
+  ptrace "   expectederror3 ." m
+  return m
+ )
+
+expectedexitcode3 :: Parser Matcher
+expectedexitcode3 = (try $ do
+  string ">="
+  whitespace
+  fromMaybe anyMatcher <$> (optionMaybe $ choice [regexmatcher, try negativeregexmatcher, numericmatcher, negativenumericmatcher])
+ ) <?> "expected exit status"
+
+-- The format 3 lines matcher consumes lines until one of these:
+-- 1. another section delimiter in this test (>, >2, >=)
+-- 2. the next test's start delimiter (<, $), or the start of blank/comment lines preceding it
+-- 3. end of file, or the start of blank/comment lines preceding it
+linesmatcher3 :: Parser Matcher
+linesmatcher3 = do
+  ptrace_ "    linesmatcher3 0"
+  ln <- sourceLine <$> getPosition
+  ls <- unlines <$>
+        line `manyTill` lookAhead (choice' [delimiterNotNewTest3
+                                           ,many whitespaceorcommentline >> delimiterNewTest3
+                                           ,many whitespaceorcommentline >> eofasstr])
+        <?> "lines of output"
+  ptrace "    linesmatcher3 ." ls
+  return $ Lines ln ls
+
+delimiterNewTest3 = do
+  -- ptrace_ "     delimiterNewTest 0"
+  choice [string "$", string "<"]
+
+delimiterNotNewTest3 = do
+  -- ptrace_ "    delimiterNotNewTest 0"
+  choice [try (string ">2"), try (string ">="), string ">"]
+
+----------------------------------------------------------------------
+-- common
+
+linesBetween :: [String] -> [String] -> Parser String
+linesBetween startdelims enddelims = do
+  let delimp "" = string ""
+      delimp s  = string s <* whitespace <* newline
+  Utils.choice' $ map delimp startdelims
+  let end = choice $ (map (try . string) enddelims) ++ [eofasstr]
+  unlines <$> line `manyTill` lookAhead end
+
+fixedcommand,replaceablecommand :: Parser TestCommand
+fixedcommand = many1 whitespacechar >> line >>= return . FixedCommand
+replaceablecommand = line >>= return . ReplaceableCommand
+
+regexmatcher :: Parser Matcher
+regexmatcher = (do
+  char '/'
+  r <- (try escapedslash <|> noneOf "/") `manyTill` (char '/')
+  whitespaceorcommentlineoreof
+  return $ PositiveRegex r) <?> "regex pattern"
+
+escapedslash :: Parser Char
+escapedslash = char '\\' >> char '/'
+
+negativeregexmatcher :: Parser Matcher
+negativeregexmatcher = (do
+  char '!'
+  PositiveRegex r <- regexmatcher
+  return $ NegativeRegex r) <?> "negative regex pattern"
+
+numericmatcher :: Parser Matcher
+numericmatcher = (do
+  s <- many1 $ oneOf "0123456789"
+  whitespaceorcommentlineoreof
+  return $ Numeric s
+  ) <?> "number match"
+
+negativenumericmatcher :: Parser Matcher
+negativenumericmatcher = (do
+  char '!'
+  Numeric s <- numericmatcher
+  return $ NegativeNumeric s
+  ) <?> "negative number match"
+
+linesmatcher1 :: Parser Matcher
+linesmatcher1 = do
+  ln <- sourceLine <$> getPosition
+  (Lines ln . unlines <$>) (line `manyTill` (lookAhead delimiter)) <?> "lines of output"
+
+delimiter = choice [string "$$$", string "<<<", try (string ">>>2"), try (string ">>>="), string ">>>", eofasstr]
+
+-- longdelims = ["<<<", "$$$", ">>>2", ">>>=", ">>>"]
+-- shortdelims = ["<", "$", ">2", ">=", ">"]
+
+-- newlineoreof, whitespacechar :: Parser Char
+-- line,lineoreof,whitespace,whitespaceline,commentline,whitespaceorcommentline,whitespaceorcommentlineoreof,delimiter,input :: Parser String
+
+-- lineoreof = (anyChar `manyTill` newlineoreof)
+-- XXX shouldn't it be:
+lineoreof = (noneOf "\n" `manyTill` newlineoreof)
+newlineoreof = newline <|> (eof >> return '\n') <?> "newline or end of file"
+line = (anyChar `manyTill` newline) <?> "rest of line"
+whitespacechar = oneOf " \t"
+whitespace = many whitespacechar
+whitespaceline = try (newline >> return "") <|> try (whitespacechar >> whitespacechar `manyTill` newlineoreof)
+commentline = try (whitespace >> char '#' >> lineoreof) <?> "comments"
+whitespaceorcommentline = commentline <|> whitespaceline
+whitespaceorcommentlineoreof = choice [eofasstr, commentline, whitespaceline]
+eofasstr = eof >> return ""
diff --git a/src/Preprocessor.hs b/src/Preprocessor.hs
new file mode 100644
--- /dev/null
+++ b/src/Preprocessor.hs
@@ -0,0 +1,53 @@
+module Preprocessor
+  ( preprocess,
+    createMacroPreProcessor,
+    getMacros
+  )
+  where
+
+import Text.Parsec  
+import Data.List
+import Types
+
+
+{- Apply preprocessor functions in sequence to change a string. -}
+preprocess :: PreProcessor -> String -> Either ParseError String
+preprocess NoPreprocess [] = Right []
+preprocess NoPreprocess str = Right str
+preprocess (PreProcessor flist) str = foldl (\ac f -> case ac of Right a -> f a
+                                                                 err -> err) (Right str) flist
+{- Creates a macro [(macro,value)] preprocessor that replaces all substrings with macro values. -}
+createMacroPreProcessor :: [Macro] -> PreProcessor
+createMacroPreProcessor [] = NoPreprocess
+createMacroPreProcessor macro = PreProcessor [\s -> Right (replaceMacros macro s)]
+                                                                 
+{- substring -> replacement -> input -}
+replace :: String -> String -> String -> String
+replace _ _ [] = []
+replace [] _ str = str
+replace _ [] str = str
+replace sub rep str = let compareLen = length sub
+                          subtoken = take compareLen str
+                          afterSubtoken = drop compareLen str
+                          (s:xs) = str
+                      in case sub == subtoken of False -> s:(replace sub rep xs)
+                                                 True -> rep ++(replace sub rep afterSubtoken)
+
+{- macros -> replacement -> input -}
+replaceMacros :: [Macro] -> String -> String
+replaceMacros [] str = str
+replaceMacros macro str = Prelude.foldl (\ac m -> let 
+                                                      (key, replacment) = m
+                                                  in replace key replacment ac) str macro
+{- Read macro from string <macro>=<value>. -}            
+readMacro :: String -> Maybe Macro
+readMacro str = do
+        i <- elemIndex '=' str
+        return (take i str, drop (i + 1) str)
+
+{- Get macros from input parameters. -}
+getMacros :: [String] -> [Macro]
+getMacros str = let m = map readMacro str
+                    tmp = filter (\a -> case a of Nothing -> False
+                                                  _ -> True) m
+                in map (\a -> let Just x = a in x) tmp
diff --git a/src/Types.hs b/src/Types.hs
new file mode 100644
--- /dev/null
+++ b/src/Types.hs
@@ -0,0 +1,59 @@
+module Types
+where
+
+import Import
+import Utils
+import Text.Parsec
+  
+data ShellTest = ShellTest {
+     command          :: TestCommand
+    ,stdin            :: Maybe String
+    ,stdoutExpected   :: Maybe Matcher
+    ,stderrExpected   :: Maybe Matcher
+    ,exitCodeExpected :: Matcher
+    ,testname         :: String
+    }
+
+instance Show ShellTest where
+    show ShellTest{testname=n,command=c,stdin=i,stdoutExpected=o,stderrExpected=e,exitCodeExpected=x} =
+        printf "ShellTest {command = %s, stdin = %s, stdoutExpected = %s, stderrExpected = %s, exitCodeExpected = %s, testname = %s}"
+                   (show c)
+                   (maybe "Nothing" (show.trim) i)
+                   (show $ show <$> o)
+                   (show $ show <$> e)
+                   (show x)
+                   (show $ trim n)
+
+data TestCommand = ReplaceableCommand String
+                 | FixedCommand String
+                   deriving Show
+
+type Regexp = String
+
+data Matcher = Lines Int String       -- ^ 0 or more lines of text, also the starting line number ?
+             | Numeric String         -- ^ numeric exit code as a string
+             | NegativeNumeric String -- ^ numeric exit code as a string, matched negatively
+             | PositiveRegex Regexp   -- ^ regular expression
+             | NegativeRegex Regexp   -- ^ regular expression, matched negatively
+
+instance Show Matcher where show = showMatcherTrimmed
+
+showMatcherTrimmed :: Matcher -> String
+showMatcherTrimmed (PositiveRegex r)   = "/"++(trim r)++"/"
+showMatcherTrimmed (NegativeRegex r)   = "!/"++(trim r)++"/"
+showMatcherTrimmed (Numeric s)         = trim (show s)
+showMatcherTrimmed (NegativeNumeric s) = "!"++ trim (show s)
+showMatcherTrimmed (Lines _ s)         = trim s
+
+showMatcher :: Matcher -> String
+showMatcher (PositiveRegex r)   = "/"++r++"/"
+showMatcher (NegativeRegex r)   = "!/"++r++"/"
+showMatcher (Numeric s)         = s
+showMatcher (NegativeNumeric s) = "!"++ s
+showMatcher (Lines _ s)         = s
+
+
+type Macro = (String, String)
+
+data PreProcessor = NoPreprocess |
+                    PreProcessor [(String -> Either ParseError String)]
diff --git a/src/Utils.hs b/src/Utils.hs
new file mode 100644
--- /dev/null
+++ b/src/Utils.hs
@@ -0,0 +1,68 @@
+module Utils
+  ( module Utils.Debug
+  , module Utils
+  )
+where
+
+import Text.Parsec (choice, try)
+import Text.Parsec.String (GenParser)
+import Text.Regex.TDFA ((=~))
+
+import Import
+import Utils.Debug
+
+
+-- strings
+
+trim :: String -> String
+trim s | l <= limit = s
+       | otherwise = take limit s ++ suffix
+    where
+      limit = 500
+      l = length s
+      suffix = printf "...(%d more)" (l-limit)
+
+strip,lstrip,rstrip,dropws :: String -> String
+strip = lstrip . rstrip
+lstrip = dropws
+rstrip = reverse . dropws . reverse
+dropws = dropWhile (`elem` " \t")
+
+-- | Test if a string contains a regular expression.  A malformed regexp
+-- (or a regexp larger than 300 characters, to avoid a regex-tdfa memory leak)
+-- will cause a runtime error.  This version uses regex-tdfa and no regexp
+-- options.
+containsRegex :: String -> String -> Bool
+containsRegex s "" = containsRegex s "^"
+containsRegex s r
+    | length r <= 300 = s =~ r
+    | otherwise      =  error "please avoid regexps larger than 300 characters, they are currently problematic"
+
+-- parsing
+
+choice' :: [GenParser tok st a] -> GenParser tok st a
+choice' = choice . map try
+
+-- system
+
+-- toExitCode :: Int -> ExitCode
+-- toExitCode 0 = ExitSuccess
+-- toExitCode n = ExitFailure n
+
+fromExitCode :: ExitCode -> Int
+fromExitCode ExitSuccess     = 0
+fromExitCode (ExitFailure n) = n
+
+-- misc
+
+-- | Replace occurrences of old list with new list within a larger list.
+replace::(Eq a) => [a] -> [a] -> [a] -> [a]
+replace [] _ = id
+replace old new = replace'
+    where
+     replace' [] = []
+     replace' l@(h:ts) = if old `isPrefixOf` l
+                          then new ++ replace' (drop len l)
+                          else h : replace' ts
+     len = length old
+
diff --git a/src/Utils/Debug.hs b/src/Utils/Debug.hs
new file mode 100644
--- /dev/null
+++ b/src/Utils/Debug.hs
@@ -0,0 +1,216 @@
+{-# LANGUAGE CPP #-}
+module Utils.Debug
+  ( module Debug.Trace
+  , traceWith
+  , strace
+  , ltrace
+  , mtrace
+  , ptrace
+  , ppShow
+  , debugLevel
+  , dbg
+  , dbg0
+  , dbg1
+  , dbg2
+  , dbg3
+  , dbg4
+  , dbg5
+  , dbg6
+  , dbg7
+  , dbg8
+  , dbg9
+  , dbgAt
+  , dbgAtIO
+  -- , dbgAtM
+  -- , dbgtrace
+  -- , dbgshow
+  -- , dbgppshow
+  , dbgExit
+  , pdbg
+  )
+  where
+
+import Debug.Trace
+import Control.Monad (when)
+import Data.List
+import Safe (readDef)
+import System.Environment (getArgs)
+import System.Exit
+import System.IO.Unsafe (unsafePerformIO)
+import Text.Parsec (getPosition, getInput, sourceLine, sourceColumn)
+import Text.Parsec.String (GenParser)
+import Text.Printf
+
+-- ppShow is good at prettyifying many type's default show format
+#if __GLASGOW_HASKELL__ >= 704
+-- a good version of it requires GHC 7.4+
+import Text.Show.Pretty (ppShow)
+#else
+-- otherwise just use show
+ppShow :: Show a => a -> String
+ppShow = show
+#endif
+
+-- | Trace a value using some string-producing function.
+traceWith :: (a -> String) -> a -> a
+traceWith f e = trace (f e) e
+
+-- | Trace a showable value by showing it.
+strace :: Show a => a -> a
+strace = traceWith show
+
+-- | Labelled trace - like strace, with a label prepended.
+ltrace :: Show a => String -> a -> a
+ltrace l a = trace (l ++ ": " ++ show a) a
+
+-- | Monadic trace - like strace, but works as a standalone line in a monad.
+mtrace :: (Monad m, Show a) => a -> m a
+mtrace a = strace a `seq` return a
+
+-- | Parsec trace - show the current parsec position and next input,
+-- and the provided label if it's non-null.
+ptrace :: String -> GenParser Char st ()
+ptrace msg = do
+  pos <- getPosition
+  next <- take peeklength `fmap` getInput
+  let (l,c) = (sourceLine pos, sourceColumn pos)
+      s  = printf "at line %2d col %2d: %s" l c (show next) :: String
+      s' = printf ("%-"++show (peeklength+30)++"s") s ++ " " ++ msg
+  trace s' $ return ()
+  where
+    peeklength = 30
+
+-- | Global debug level, which controls the verbosity of debug output
+-- on the console. The default is 0 meaning no debug output. The
+-- @--debug@ command line flag sets it to 1, or @--debug=N@ sets it to
+-- a higher value (note: not @--debug N@ for some reason).  This uses
+-- unsafePerformIO and can be accessed from anywhere and before normal
+-- command-line processing. After command-line processing, it is also
+-- available as the @debug_@ field of 'Hledger.Cli.Options.CliOpts'.
+debugLevel :: Int
+debugLevel = case snd $ break (=="--debug") args of
+               "--debug":[]  -> 1
+               "--debug":n:_ -> readDef 1 n
+               _             ->
+                 case take 1 $ filter ("--debug" `isPrefixOf`) args of
+                   ['-':'-':'d':'e':'b':'u':'g':'=':v] -> readDef 1 v
+                   _                                   -> 0
+
+    where
+      args = unsafePerformIO getArgs
+
+-- | Print a message and a showable value to the console if the global
+-- debug level is non-zero.  Uses unsafePerformIO.
+dbg :: Show a => String -> a -> a
+dbg = dbg1
+
+-- always prints
+dbg0 :: Show a => String -> a -> a
+dbg0 = dbgAt 0
+
+dbg1 :: Show a => String -> a -> a
+dbg1 = dbgAt 1
+
+dbg2 :: Show a => String -> a -> a
+dbg2 = dbgAt 2
+
+dbg3 :: Show a => String -> a -> a
+dbg3 = dbgAt 3
+
+dbg4 :: Show a => String -> a -> a
+dbg4 = dbgAt 4
+
+dbg5 :: Show a => String -> a -> a
+dbg5 = dbgAt 5
+
+dbg6 :: Show a => String -> a -> a
+dbg6 = dbgAt 6
+
+dbg7 :: Show a => String -> a -> a
+dbg7 = dbgAt 7
+
+dbg8 :: Show a => String -> a -> a
+dbg8 = dbgAt 8
+
+dbg9 :: Show a => String -> a -> a
+dbg9 = dbgAt 9
+
+-- | Print a message and a showable value to the console if the global
+-- debug level is at or above the specified level.  Uses unsafePerformIO.
+dbgAt :: Show a => Int -> String -> a -> a
+dbgAt lvl = dbgppshow lvl
+
+    -- Could not deduce (a ~ ())
+    -- from the context (Show a)
+    --   bound by the type signature for
+    --              dbgM :: Show a => String -> a -> IO ()
+    --   at hledger/Hledger/Cli/Main.hs:200:13-42
+    --   ‘a’ is a rigid type variable bound by
+    --       the type signature for dbgM :: Show a => String -> a -> IO ()
+    --       at hledger/Hledger/Cli/Main.hs:200:13
+    -- Expected type: String -> a -> IO ()
+    --   Actual type: String -> a -> IO a
+-- -- dbgAtM :: (Monad m, Show a) => Int -> String -> a -> m a
+-- -- dbgAtM lvl lbl x = dbgAt lvl lbl x `seq` return x
+-- -- XXX temporary:
+-- dbgAtM :: Show a => Int -> String -> a -> IO ()
+-- dbgAtM = dbgAtIO
+
+dbgAtIO :: Show a => Int -> String -> a -> IO ()
+dbgAtIO lvl lbl x = dbgAt lvl lbl x `seq` return ()
+
+-- -- | print this string to the console before evaluating the expression,
+-- -- if the global debug level is non-zero.  Uses unsafePerformIO.
+-- dbgtrace :: String -> a -> a
+-- dbgtrace
+--     | debugLevel > 0 = trace
+--     | otherwise      = flip const
+
+-- -- | Print a showable value to the console, with a message, if the
+-- -- debug level is at or above the specified level (uses
+-- -- unsafePerformIO).
+-- -- Values are displayed with show, all on one line, which is hard to read.
+-- dbgshow :: Show a => Int -> String -> a -> a
+-- dbgshow level
+--     | debugLevel >= level = ltrace
+--     | otherwise           = flip const
+
+-- | Print a showable value to the console, with a message, if the
+-- debug level is at or above the specified level (uses
+-- unsafePerformIO).
+-- Values are displayed with ppShow, each field/constructor on its own line.
+dbgppshow :: Show a => Int -> String -> a -> a
+dbgppshow level
+    | debugLevel < level = flip const
+    | otherwise = \s a -> let p = ppShow a
+                              ls = lines p
+                              nlorspace | length ls > 1 = "\n"
+                                        | otherwise     = " " ++ take (10 - length s) (repeat ' ')
+                              ls' | length ls > 1 = map (" "++) ls
+                                  | otherwise     = ls
+                          in trace (s++":"++nlorspace++intercalate "\n" ls') a
+
+-- -- | Print a showable value to the console, with a message, if the
+-- -- debug level is at or above the specified level (uses
+-- -- unsafePerformIO).
+-- -- Values are displayed with pprint. Field names are not shown, but the
+-- -- output is compact with smart line wrapping, long data elided,
+-- -- and slow calculations timed out.
+-- dbgpprint :: Data a => Int -> String -> a -> a
+-- dbgpprint level msg a
+--     | debugLevel >= level = unsafePerformIO $ do
+--                               pprint a >>= putStrLn . ((msg++": \n") ++) . show
+--                               return a
+--     | otherwise           = a
+
+
+-- | Like dbg, then exit the program. Uses unsafePerformIO.
+dbgExit :: Show a => String -> a -> a
+dbgExit msg = const (unsafePerformIO exitFailure) . dbg msg
+
+-- | Print a message and parsec debug info (parse position and next
+-- input) to the console when the debug level is at or above
+-- this level. Uses unsafePerformIO.
+-- pdbgAt :: GenParser m => Float -> String -> m ()
+pdbg level msg = when (level <= debugLevel) $ ptrace msg
+
diff --git a/src/shelltest.hs b/src/shelltest.hs
new file mode 100644
--- /dev/null
+++ b/src/shelltest.hs
@@ -0,0 +1,253 @@
+{-# LANGUAGE DeriveDataTypeable, CPP #-}
+{- |
+
+shelltest - for testing command-line programs. See shelltestrunner.cabal.
+(c) Simon Michael 2009-2017, released under GNU GPLv3 or later.
+
+-}
+
+module Main
+where
+
+import Control.Concurrent (forkIO)
+import Control.Concurrent.MVar (newEmptyMVar, putMVar, takeMVar)
+import Data.Algorithm.Diff
+import System.Console.CmdArgs
+import System.Directory (doesDirectoryExist)
+import System.FilePath (takeDirectory)
+import System.FilePath.Find (findWithHandler, (==?), always)
+import qualified System.FilePath.Find as Find (extension)
+import System.IO (Handle, hGetContents, hPutStr)
+import System.Process (StdStream (CreatePipe), shell, createProcess, CreateProcess (..), waitForProcess, ProcessHandle)
+import Test.Framework (defaultMainWithArgs)
+import Test.Framework.Providers.HUnit (hUnitTestToTests)
+import Test.HUnit
+import Text.Parsec
+
+import Import
+import Utils
+import Types
+import Parse
+import Preprocessor
+
+
+progname, progversion :: String
+progname = "shelltest"
+progversion = progname ++ " " ++ "1.9"
+proghelpsuffix :: [String]
+proghelpsuffix = [
+   "shelltest file formats, tried in this order:"
+  ,""
+  ,"Description                                            Delimiters, in order"    
+  ,"------------------------------------------------------ ------------------------"
+  ,"v2 input then multiple tests; some delimiters optional <<<    $$$ >>> >>>2 >>>="
+  ,"v3 same as v2, but with short delimiters               <      $   >   >2   >="  
+  ,"v1 command first; exit status is required              (none) <<< >>> >>>2 >>>="
+  ,""
+  ]
+
+data Args = Args {
+     list        :: Bool
+    ,all_        :: Bool
+    ,color       :: Bool
+    ,diff        :: Bool
+    ,precise     :: Bool
+    ,hide_successes :: Bool
+    ,xmlout      :: String
+    ,defmacro    :: [String]
+    ,include     :: [String]
+    ,exclude     :: [String]
+    ,execdir     :: Bool
+    ,extension   :: String
+    ,with        :: String
+    ,timeout     :: Int
+    ,threads     :: Int
+    ,debug       :: Bool
+    ,debug_parse :: Bool
+    ,testpaths   :: [FilePath]
+    } deriving (Show, Data, Typeable)
+
+argdefs = Args {
+     list        = def     &= help "List all parsed tests and stop"
+    ,all_        = def     &= help "Don't truncate output, even if large"
+    ,color       = def     &= help "Show colored output if your terminal supports it"
+    ,diff        = def     &= name "d" &= help "Show expected output mismatches in diff format"
+    ,precise     = def     &= help "Show expected/actual output precisely (eg whitespace)"
+    ,hide_successes = def  &= help "Show only test failures"
+    ,xmlout      = def     &= typ "FILE" &= help "Specify file to store test results in xml format."
+    ,defmacro    = def  &= name "D" &= typ "D=DEF" &= help "Specify a macro that is evaluated by preprocessor before the test files are parsed. D stands for macro definition that is replaced with the value of DEF."
+    ,include     = def     &= name "i" &= typ "PAT" &= help "Include tests whose name contains this glob pattern"
+    ,exclude     = def     &= name "x" &= typ "STR" &= help "Exclude test files whose path contains STR"
+    ,execdir     = def     &= help "Run tests from within the test file's directory"
+    ,extension   = ".test" &= typ "EXT" &= help "File suffix of test files (default: .test)"
+    ,with        = def     &= typ "EXECUTABLE" &= help "Replace the first word of (unindented) test commands"
+    ,timeout     = def     &= name "o" &= typ "SECS" &= help "Number of seconds a test may run (default: no limit)"
+    ,threads     = def     &= name "j" &= typ "N" &= help "Number of threads for running tests (default: 1)"
+    ,debug       = def     &= help "Show debug info, for troubleshooting"
+    ,debug_parse = def     &= help "Show test file parsing info and stop"
+    ,testpaths   = def     &= args &= typ "TESTFILES|TESTDIRS"
+    }
+    &= program progname
+    &= summary progversion
+    &= details proghelpsuffix
+
+main :: IO ()
+main = do
+  -- parse args
+  args' <- cmdArgs argdefs >>= checkArgs
+  -- some of the cmdargs-parsed "arguments" may be test-framework options following --,
+  -- separate those out
+  let (tfopts', realargs) = partition ("-" `isPrefixOf`) $ testpaths args'
+      args = args'{testpaths=realargs}
+      tfopts = tfopts'
+               ++ (if list args then ["--list"] else [])
+               ++ (if color args then [] else ["--plain"])
+               ++ (if hide_successes args then ["--hide-successes"] else [])
+               ++ (["--select-tests="++s | s <- include args])
+               ++ (if timeout args > 0 then ["--timeout=" ++ show (timeout args)] else [])
+               ++ (if threads args > 0 then ["--threads=" ++ show (threads args)] else [])
+               ++ (if not (xmlout args == []) then ["--jxml=" ++ (xmlout args)] else [])
+
+
+  when (debug args) $ printf "%s\n" progversion >> printf "args: %s\n" (ppShow args)
+
+  -- gather test files
+  testfiles' <- nub . concat <$> mapM
+                                 (\p -> do
+                                     isdir <- doesDirectoryExist p
+                                     if isdir
+                                       then findWithHandler (\_ e->fail (show e)) always (Find.extension ==? extension args) p
+                                       else return [p])
+                                 (testpaths args)
+  let testfiles = filter (not . \p -> any (`isInfixOf` p) (exclude args)) testfiles'
+      excluded = length testfiles' - length testfiles
+      macros = (getMacros (defmacro args))
+      preprocessor = createMacroPreProcessor macros
+  when (excluded > 0) $ printf "Excluding %d test files\n" excluded
+
+  -- parse test files
+  when (debug args) $ printf "processing %d test files: %s\n" (length testfiles) (intercalate ", " testfiles)
+  parseresults <- mapM (parseShellTestFile (debug args || debug_parse args) preprocessor) testfiles
+
+  -- run tests
+  when (debug args) $ printf "running tests:\n"
+  unless (debug_parse args) $
+    defaultMainWithArgs (concatMap (hUnitTestToTests . testFileParseToHUnitTest args) parseresults) tfopts
+
+-- | Additional argument checking.
+checkArgs :: Args -> IO Args
+checkArgs args = do
+  when (null $ testpaths args) $
+       warn $ printf "Please specify at least one test file or directory, eg: %s tests" progname
+  return args
+
+-- | Show a message, usage string, and terminate with exit status 1.
+warn :: String -> IO ()
+warn s = putStrLn s >> exitWith (ExitFailure 1)
+
+
+-- running tests
+
+testFileParseToHUnitTest :: Args -> Either ParseError [ShellTest] -> Test.HUnit.Test
+testFileParseToHUnitTest args (Right ts) = TestList $ map (shellTestToHUnitTest args) ts
+testFileParseToHUnitTest _ (Left e) = ("parse error in " ++ (sourceName $ errorPos e)) ~: (assertFailure :: (String -> IO ())) $ show e
+
+shellTestToHUnitTest :: Args -> ShellTest -> Test.HUnit.Test
+shellTestToHUnitTest args ShellTest{testname=n,command=c,stdin=i,stdoutExpected=o_expected,
+                                    stderrExpected=e_expected,exitCodeExpected=x_expected} =
+ n ~: do
+  let e = with args
+      cmd = case (e,c) of (_:_, ReplaceableCommand s) -> e ++ " " ++ dropWhile (/=' ') s
+                          (_, ReplaceableCommand s)   -> s
+                          (_, FixedCommand s)         -> s
+      dir = if execdir args then Just $ takeDirectory n else Nothing
+      trim' = if all_ args then id else trim
+  when (debug args) $ do
+    printf "actual command was: %s\n" (show cmd)
+  (o_actual, e_actual, x_actual) <- runCommandWithInput dir cmd i
+  when (debug args) $ do
+    printf "actual stdout was : %s\n" (show $ trim' o_actual)
+    printf "actual stderr was : %s\n" (show $ trim' e_actual)
+    printf "actual exit was   : %s\n" (trim' $ show x_actual)
+  let outputMatch = maybe True (o_actual `matches`) o_expected
+  let errorMatch = maybe True (e_actual `matches`) e_expected
+  let exitCodeMatch = show x_actual `matches` x_expected
+  if (x_actual == 127) -- catch bad executable - should work on posix systems at least
+   then ioError $ userError $ unwords $ filter (not . null) [e_actual, printf "Command: '%s' Exit code: %i" cmd x_actual] -- XXX still a test failure; should be an error
+   else assertString $ concat $ filter (not . null) [
+             if any not [outputMatch, errorMatch, exitCodeMatch]
+               then printf "Command:\n%s\n" cmd
+               else ""
+            ,if outputMatch
+              then ""
+              else showExpectedActual args "stdout"    (fromJust o_expected) o_actual
+            ,if errorMatch
+              then ""
+              else showExpectedActual args "stderr"    (fromJust e_expected) e_actual
+            ,if exitCodeMatch
+              then ""
+              else showExpectedActual args{diff=False} "exit code" x_expected (show x_actual)
+            ]
+
+-- | Run a shell command line, passing it standard input if provided,
+-- and return the standard output, standard error output and exit code.
+-- Note on unix, at least with ghc 6.12, command (and filepath) are assumed to be utf8-encoded.
+runCommandWithInput :: Maybe FilePath -> String -> Maybe String -> IO (String, String, Int)
+runCommandWithInput wd cmd input = do
+  -- this has to be done carefully
+  (ih,oh,eh,ph) <- runInteractiveCommandInDir wd cmd
+  when (isJust input) $ forkIO (hPutStr ih $ fromJust input) >> return ()
+  o <- newEmptyMVar
+  e <- newEmptyMVar
+  forkIO $ oh `hGetContentsStrictlyAnd` putMVar o
+  forkIO $ eh `hGetContentsStrictlyAnd` putMVar e
+  x_actual <- waitForProcess ph >>= return.fromExitCode
+  o_actual <- takeMVar o
+  e_actual <- takeMVar e
+  return (o_actual, e_actual, x_actual)
+
+runInteractiveCommandInDir :: Maybe FilePath -> String ->  IO (Handle, Handle, Handle, ProcessHandle)
+runInteractiveCommandInDir wd cmd = do
+   (mb_in, mb_out, mb_err, p) <-
+      createProcess $
+         (shell cmd) { cwd = wd
+                     , std_in  = CreatePipe
+                     , std_out = CreatePipe
+                     , std_err = CreatePipe }
+   return (fromJust mb_in, fromJust mb_out, fromJust mb_err, p)
+
+hGetContentsStrictlyAnd :: Handle -> (String -> IO b) -> IO b
+hGetContentsStrictlyAnd h f = hGetContents h >>= \s -> length s `seq` f s
+
+matches :: String -> Matcher -> Bool
+matches s (PositiveRegex r)   = s `containsRegex` r
+matches s (NegativeRegex r)   = not $ s `containsRegex` r
+matches s (Numeric p)         = s == p
+matches s (NegativeNumeric p) = not $ s == p
+matches s (Lines _ p)         = s == p
+
+showExpectedActual :: Args -> String -> Matcher -> String -> String
+showExpectedActual args@Args{diff=True} _ (Lines ln e) a =
+    printf "--- Expected\n+++ Got\n" ++ showDiff args(1,ln) (getDiff (lines a) (lines e))
+showExpectedActual Args{all_=all_,precise=precise} field e a =
+    printf "Expected %s: %s\nGot %s:      %s" field (show' $ showm e) field (show' $ trim' a)
+    where
+      show' = if precise then show else ("\n"++)
+      showm = if all_ then showMatcher else showMatcherTrimmed
+      trim' = if all_ then id else trim
+
+showDiff :: Args -> (Int,Int) -> [(Diff String)] -> String
+showDiff _ _ []                   = ""
+showDiff args@Args{all_=all_,precise=precise} (l,r) ((First ln) : ds) =
+    printf "+%4d " l ++ ln' ++ "\n" ++ showDiff args (l+1,r) ds
+    where
+      ln' = trim' $ show' ln
+      trim' = if all_ then id else trim
+      show' = if precise then show else id
+showDiff args@Args{all_=all_,precise=precise} (l,r) ((Second ln) : ds) =
+    printf "-%4d " r ++ ln' ++ "\n" ++ showDiff args (l,r+1) ds
+    where
+      ln' = trim' $ show' ln
+      trim' = if all_ then id else trim
+      show' = if precise then show else id
+showDiff args (l,r) ((Both _ _) : ds) = showDiff args (l+1,r+1) ds
diff --git a/tests/examples/cat.test b/tests/examples/cat.test
new file mode 100644
--- /dev/null
+++ b/tests/examples/cat.test
@@ -0,0 +1,15 @@
+# Test that the "cat" program copies its input to stdout, 
+# nothing appears on stderr, and exit status is 0.
+cat
+<<<
+foo
+>>>
+foo
+>>>2
+>>>= 0
+
+# Test that cat prints an error containing "unrecognized option" 
+# (and exits with non-zero status) if given a bad flag.
+cat --no-such-flag
+>>>2 /(unrecognized|illegal) option/
+>>>= !0
diff --git a/tests/examples/echo.test b/tests/examples/echo.test
new file mode 100644
--- /dev/null
+++ b/tests/examples/echo.test
@@ -0,0 +1,3 @@
+# A comment. Testing bash's builtin "echo" command (if /bin/sh is bash)
+echo
+>>>= 0
diff --git a/tests/examples/format2_1.test b/tests/examples/format2_1.test
new file mode 100644
--- /dev/null
+++ b/tests/examples/format2_1.test
@@ -0,0 +1,19 @@
+# cat copies its input to stdout
+<<<
+foo
+$$$ cat
+>>>
+foo
+
+# or, given a bad flag, prints a platform-specific error and exits with non-zero status
+$$$ cat --no-such-flag
+>>>2 /(unrecognized|illegal) option/
+>>>= !0
+
+# echo ignores the input and prints a newline.
+# We need the >>>= (or a >>>2) to delimit the whitespace which
+# would otherwise be ignored.
+$$$ echo
+>>>
+
+>>>2
diff --git a/tests/examples/format2_2.test b/tests/examples/format2_2.test
new file mode 100644
--- /dev/null
+++ b/tests/examples/format2_2.test
@@ -0,0 +1,11 @@
+foo
+$$$ cat
+foo
+
+$$$ cat --no-such-flag
+>>>2 /(unrecognized|illegal) option/
+>>>= !0
+
+$$$ echo
+
+>>>=
diff --git a/tests/examples/format3_1.test b/tests/examples/format3_1.test
new file mode 100644
--- /dev/null
+++ b/tests/examples/format3_1.test
@@ -0,0 +1,19 @@
+# cat copies its input to stdout
+<
+foo
+$ cat
+>
+foo
+
+# or, given a bad flag, prints a platform-specific error and exits with non-zero status
+$ cat --no-such-flag
+>2 /(unrecognized|illegal) option/
+>= !0
+
+# echo ignores the input and prints a newline.
+# We use an explicit >2 (or >=) to delimit the whitespace which
+# would otherwise be ignored.
+$ echo
+>
+
+>2
diff --git a/tests/examples/format3_2.test b/tests/examples/format3_2.test
new file mode 100644
--- /dev/null
+++ b/tests/examples/format3_2.test
@@ -0,0 +1,12 @@
+foo
+$ cat
+foo
+
+$ cat --no-such-flag
+>2 /(unrecognized|illegal) option/
+>= !0
+
+$ echo
+>
+
+>=
diff --git a/tests/format1.unix/empty-unix.test b/tests/format1.unix/empty-unix.test
new file mode 100644
--- /dev/null
+++ b/tests/format1.unix/empty-unix.test
@@ -0,0 +1,4 @@
+# handle a totally empty test file
+shelltest /dev/null
+>>> /Total +0/
+>>>= 0
diff --git a/tests/format1.unix/no-eol-unix.test b/tests/format1.unix/no-eol-unix.test
new file mode 100644
--- /dev/null
+++ b/tests/format1.unix/no-eol-unix.test
@@ -0,0 +1,5 @@
+# test output which does not end with a newline
+ cat
+<<<
+>>> /^$/
+>>>= 0
diff --git a/tests/format1.unix/unicode-unix.test b/tests/format1.unix/unicode-unix.test
new file mode 100644
--- /dev/null
+++ b/tests/format1.unix/unicode-unix.test
@@ -0,0 +1,15 @@
+# 0. utf8-encoded unicode in filename should be fine
+# XXX file renamed from unicode-ß-unix.test to appease hackage (non-utf8-encoded ?)
+#
+# 1. in command field:
+ echo проверка
+>>>= 0
+# 2. in output field:
+ echo проверка
+>>>
+проверка
+>>>= 0
+# 3. in regexp:
+ echo проверка
+>>> /проверка/
+>>>= 0
diff --git a/tests/format1.windows/empty-windows.test b/tests/format1.windows/empty-windows.test
new file mode 100644
--- /dev/null
+++ b/tests/format1.windows/empty-windows.test
@@ -0,0 +1,4 @@
+# handle a totally empty test file
+shelltest NUL:
+>>> /Total +0/
+>>>= 0
diff --git a/tests/format1/args.test b/tests/format1/args.test
new file mode 100644
--- /dev/null
+++ b/tests/format1/args.test
@@ -0,0 +1,22 @@
+# test with various arguments
+#
+# 1. with no args, should run all tests below current dir
+# shelltest
+# >>> /Not enough non-flag arguments/
+# >>>= !0
+#
+# 2. a bad executable with no testfiles is accepted
+# XXX should really error
+#shelltest nosuchexe
+#>>> /Total +0/
+#
+# 3. a bad executable with testfiles should fail
+shelltest --with nosuchexe tests/format1/args.test
+>>> /user error/
+>>>= 1
+#
+# 4. a bad testfile should fail
+shelltest --with cat nosuchtestfile
+>>>2 /No such file/
+>>>= 1
+# a final comment
diff --git a/tests/format1/format1.test b/tests/format1/format1.test
new file mode 100644
--- /dev/null
+++ b/tests/format1/format1.test
@@ -0,0 +1,31 @@
+# Test file format 1 - one or more tests, each specifying its input.
+#
+# OPTIONAL WHITESPACE/#COMMENT
+# COMMAND LINE
+# OPTIONAL <<< INPUT
+# OPTIONAL >>> OUTPUT/REGEX
+# OPTIONAL >>>2 STDERR/REGEX
+# >>>= STATUS/REGEX
+# 0 OR MORE ADDITIONAL TESTS
+#
+# The command line and exit status check are required.
+# stdout/stderr are not checked implicitly.
+# Comment & whitespace lines before and after tests are ignored.
+
+ cat
+<<<
+A
+>>>
+A
+>>>2
+>>>= 0
+
+ cat
+<<<
+A
+>>>
+A
+>>>2
+>>>= 0
+
+#
diff --git a/tests/format1/help.test b/tests/format1/help.test
new file mode 100644
--- /dev/null
+++ b/tests/format1/help.test
@@ -0,0 +1,5 @@
+# with --help, output should contain usage
+# and exit code should be 0
+shelltest --help
+>>> /Common flags:/
+>>>=0
diff --git a/tests/format1/indented-input.test b/tests/format1/indented-input.test
new file mode 100644
--- /dev/null
+++ b/tests/format1/indented-input.test
@@ -0,0 +1,5 @@
+# indented input should not break the parser
+ cat
+<<<
+ x
+>>>= 0
diff --git a/tests/format1/just-a-comment.test b/tests/format1/just-a-comment.test
new file mode 100644
--- /dev/null
+++ b/tests/format1/just-a-comment.test
@@ -0,0 +1,1 @@
+# just a comment
diff --git a/tests/format1/large-output.test b/tests/format1/large-output.test
new file mode 100644
--- /dev/null
+++ b/tests/format1/large-output.test
@@ -0,0 +1,8 @@
+# lots of input & output
+# - should not provoke a hang
+# - full input is required in test file
+# - expected & actual values should be trimmed in the report
+ ghc -e "putStr $ replicate 100000 'a' ++ ['b','\n']"
+>>>
+aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa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ab
+>>>= 0
diff --git a/tests/format1/large-regexp.test b/tests/format1/large-regexp.test
new file mode 100644
--- /dev/null
+++ b/tests/format1/large-regexp.test
@@ -0,0 +1,6 @@
+# pcre-light handles regexps up to about 32764 chars, any larger gives a runtime error
+#>>> /aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa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+# regex-tdfa memory usage blows up.. I fear to use anything more than 250 chars
+ ghc -e "putStr $ replicate 33000 'a'"
+>>> /aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/
+>>>= 0
diff --git a/tests/format1/macros.test b/tests/format1/macros.test
new file mode 100644
--- /dev/null
+++ b/tests/format1/macros.test
@@ -0,0 +1,3 @@
+# 1. Test if macros are replaced and tests are successful.
+shelltest -D{exe}=echo "-D{in}=My message" "-D{out}=My message" -D{doNotExist}=null tests/format1/abstract-test-with-macros
+>>>= 0
diff --git a/tests/format1/no-input.test b/tests/format1/no-input.test
new file mode 100644
--- /dev/null
+++ b/tests/format1/no-input.test
@@ -0,0 +1,5 @@
+# test "mac will hang if input is specified and stdin is not read" fix
+ echo
+<<<
+dummy input
+>>>= 0
diff --git a/tests/format1/parsing.test b/tests/format1/parsing.test
new file mode 100644
--- /dev/null
+++ b/tests/format1/parsing.test
@@ -0,0 +1,15 @@
+# misc. testfile parsing tests
+# 1. can we regexp-match a forward slash ?
+ echo /
+>>> /\//
+>>>= 0
+
+# 2. can we handle an empty regexp ?
+ echo
+>>> //
+>>>= 0
+
+# 3. or a regexp followed by a comment ?
+ echo
+>>> // # comment
+>>>= 0
diff --git a/tests/format1/trailing-comment-no-newline.test b/tests/format1/trailing-comment-no-newline.test
new file mode 100644
--- /dev/null
+++ b/tests/format1/trailing-comment-no-newline.test
@@ -0,0 +1,3 @@
+ echo
+>>>= 0
+# comment
diff --git a/tests/format2.unix/empty-unix.test b/tests/format2.unix/empty-unix.test
new file mode 100644
--- /dev/null
+++ b/tests/format2.unix/empty-unix.test
@@ -0,0 +1,4 @@
+# handle a totally empty test file
+$$$ shelltest /dev/null
+>>> /Total +0/
+
diff --git a/tests/format2.unix/no-eol-unix.test b/tests/format2.unix/no-eol-unix.test
new file mode 100644
--- /dev/null
+++ b/tests/format2.unix/no-eol-unix.test
@@ -0,0 +1,4 @@
+# test output which does not end with a newline
+<<<
+$$$  cat
+>>> /^$/
diff --git a/tests/format2.unix/unicode-unix.test b/tests/format2.unix/unicode-unix.test
new file mode 100644
--- /dev/null
+++ b/tests/format2.unix/unicode-unix.test
@@ -0,0 +1,15 @@
+# 0. utf8-encoded unicode in filename should be fine
+# XXX file renamed from unicode-ß-unix.test to appease hackage (non-utf8-encoded ?)
+#
+# 1. in command field:
+$$$  echo проверка
+>>> //
+
+# 2. in output field:
+$$$  echo проверка
+проверка
+
+# 3. in regexp:
+$$$  echo проверка
+>>> /проверка/
+
diff --git a/tests/format2.windows/empty-windows.test b/tests/format2.windows/empty-windows.test
new file mode 100644
--- /dev/null
+++ b/tests/format2.windows/empty-windows.test
@@ -0,0 +1,3 @@
+# handle a totally empty test file
+$$$ shelltest NUL:
+>>> /Total +0/
diff --git a/tests/format2/args.test b/tests/format2/args.test
new file mode 100644
--- /dev/null
+++ b/tests/format2/args.test
@@ -0,0 +1,22 @@
+# test with various arguments
+
+# 1. with no args, should run all tests below current dir
+$$$ shelltest
+>>> /Please specify at least one test file or directory/
+>>>= !0
+
+# 2. XXX a bad executable should error without running tests
+#$$$ shelltest --with nosuchexe
+#>>> /Total +0/
+
+# 3. a bad executable with testfiles should fail
+$$$ shelltest --with nosuchexe tests/format2/args.test
+>>> /user error/
+>>>= 1
+
+# 4. a bad testfile should fail
+$$$ shelltest --with cat nosuchtestfile
+>>>2 /No such file/
+>>>= 1
+
+# a final comment
diff --git a/tests/format2/format2.test b/tests/format2/format2.test
new file mode 100644
--- /dev/null
+++ b/tests/format2/format2.test
@@ -0,0 +1,55 @@
+# Test file format 2 - one or more test groups, which are input followed by one or more tests/
+#
+# See --help-format/shelltest.hs. Last copied 2015/3/16:
+#  "--------------------------------------"
+# ,"shelltestrunner test file format:"
+# ,""
+# ,"# COMMENTS OR BLANK LINES"
+# ,"<<<"
+# ,"INPUT"
+# ,"$$$ COMMAND LINE"
+# ,">>>"
+# ,"EXPECTED OUTPUT (OR >>> /REGEX/)"
+# ,">>>2"
+# ,"EXPECTED STDERR (OR >>>2 /REGEX/)"
+# ,">>>= EXPECTED EXIT STATUS (OR >>>= /REGEX/)"
+# ,"# COMMENTS OR BLANK LINES"
+# ,"ADDITIONAL TESTS FOR THIS INPUT"
+# ,"ADDITIONAL TEST GROUPS WITH DIFFERENT INPUT"
+# ,""
+# ,"All parts are optional except the command line."
+# ,"When unspecified, stdout/stderr/exit status are tested for emptiness."
+# ,""
+# ,"The <<< delimiter is optional for the first input in a file."
+# ,"Without it, input begins at the first non-blank/comment line."
+# ,"Input ends at the $$$ delimiter. You can't put a comment before the first $$$."
+# ,""
+# ,"The >>> delimiter is optional except when matching via regex."
+# ,"Expected output/stderr extends to the next >>>2 or >>>= if present,"
+# ,"or to the last non-blank/comment line before the next <<< or $$$ or file end."
+# ,""
+# ,"Two spaces between $$$ and the command protects it from -w/--with."
+# ,"!/REGEX/ negates a regular expression match."
+# ,""
+# ,"--------------------------------------"
+
+
+AA
+$$$  cat
+AA
+
+# test 2
+$$$  cat
+>>> /A/
+>>>2
+>>>= 0
+
+# test 3
+<<<
+A
+$$$  cat
+>>> /A/
+>>>2
+>>>=
+
+#
diff --git a/tests/format2/help.test b/tests/format2/help.test
new file mode 100644
--- /dev/null
+++ b/tests/format2/help.test
@@ -0,0 +1,5 @@
+# with --help, output should contain usage
+# and exit code should be 0
+$$$ shelltest --help
+>>> /Common flags:/
+
diff --git a/tests/format2/indented-input.test b/tests/format2/indented-input.test
new file mode 100644
--- /dev/null
+++ b/tests/format2/indented-input.test
@@ -0,0 +1,4 @@
+# indented input should not break the parser
+ x
+$$$  cat
+>>> //
diff --git a/tests/format2/just-a-comment.test b/tests/format2/just-a-comment.test
new file mode 100644
--- /dev/null
+++ b/tests/format2/just-a-comment.test
@@ -0,0 +1,1 @@
+# just a comment
diff --git a/tests/format2/large-output.test b/tests/format2/large-output.test
new file mode 100644
--- /dev/null
+++ b/tests/format2/large-output.test
@@ -0,0 +1,6 @@
+# lots of input & output
+# - should not provoke a hang
+# - full input is required in test file
+# - expected & actual values should be trimmed in the report
+$$$  ghc -e "putStr $ replicate 100000 'a' ++ ['b','\n']"
+aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa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ab
diff --git a/tests/format2/macros.test b/tests/format2/macros.test
new file mode 100644
--- /dev/null
+++ b/tests/format2/macros.test
@@ -0,0 +1,3 @@
+# 1. Test if macros are replaced and tests are successful.
+shelltest -D{exe}=echo "-D{in}=My message" "-D{out}=My message" -D{doNotExist}=null tests/format2/abstract-test-with-macros
+>>>= 0
diff --git a/tests/format2/no-input.test b/tests/format2/no-input.test
new file mode 100644
--- /dev/null
+++ b/tests/format2/no-input.test
@@ -0,0 +1,6 @@
+# test "mac will hang if input is specified and stdin is not read" fix
+dummy input
+$$$  echo
+>>> /(
+)|(.*ECHO is on.*)/
+>>>= 0
diff --git a/tests/format2/parsing.test b/tests/format2/parsing.test
new file mode 100644
--- /dev/null
+++ b/tests/format2/parsing.test
@@ -0,0 +1,12 @@
+# misc. testfile parsing tests
+# 1. can we regexp-match a forward slash ?
+$$$  echo /
+>>> /\//
+
+# 2. can we handle an empty regexp ?
+$$$  echo
+>>> //
+
+# 3. or a regexp followed by a comment ?
+$$$  echo
+>>> // # comment
diff --git a/tests/format2/regexps.test b/tests/format2/regexps.test
new file mode 100644
--- /dev/null
+++ b/tests/format2/regexps.test
@@ -0,0 +1,18 @@
+# simple regexp
+$$$  echo test
+>>> /^test$/
+
+# negative regexp
+$$$  echo test
+>>> !/toast/
+
+# large regexp
+# pcre-light handles regexps up to about 32764 chars, any larger gives a runtime error
+#>>> /aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa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+# regex-tdfa memory usage blows up.. I fear to use anything more than 250 chars
+$$$  ghc -e "putStr $ replicate 33000 'a'"
+>>> /aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/
+
+# regexp containing quoted /
+$$$  echo 2015/1/1
+>>> /2015\/1\/1/
diff --git a/tests/format2/trailing-comment-no-newline.test b/tests/format2/trailing-comment-no-newline.test
new file mode 100644
--- /dev/null
+++ b/tests/format2/trailing-comment-no-newline.test
@@ -0,0 +1,5 @@
+$$$  echo
+>>> /(
+)|(.*ECHO is on.*)/
+>>>= 0
+# comment
diff --git a/tests/format3.unix/empty-unix.test b/tests/format3.unix/empty-unix.test
new file mode 100644
--- /dev/null
+++ b/tests/format3.unix/empty-unix.test
@@ -0,0 +1,4 @@
+# handle a totally empty test file
+$ shelltest /dev/null
+> /Total +0/
+
diff --git a/tests/format3.unix/no-eol-unix.test b/tests/format3.unix/no-eol-unix.test
new file mode 100644
--- /dev/null
+++ b/tests/format3.unix/no-eol-unix.test
@@ -0,0 +1,4 @@
+# test output which does not end with a newline
+<
+$  cat
+> /^$/
diff --git a/tests/format3.unix/unicode-unix.test b/tests/format3.unix/unicode-unix.test
new file mode 100644
--- /dev/null
+++ b/tests/format3.unix/unicode-unix.test
@@ -0,0 +1,15 @@
+# 0. utf8-encoded unicode in filename should be fine
+# XXX file renamed from unicode-ß-unix.test to appease hackage (non-utf8-encoded ?)
+#
+# 1. in command field:
+$  echo проверка
+> //
+
+# 2. in output field:
+$  echo проверка
+проверка
+
+# 3. in regexp:
+$  echo проверка
+> /проверка/
+
diff --git a/tests/format3.windows/empty-windows.test b/tests/format3.windows/empty-windows.test
new file mode 100644
--- /dev/null
+++ b/tests/format3.windows/empty-windows.test
@@ -0,0 +1,3 @@
+# handle a totally empty test file
+$ shelltest NUL:
+> /Total +0/
diff --git a/tests/format3/args.test b/tests/format3/args.test
new file mode 100644
--- /dev/null
+++ b/tests/format3/args.test
@@ -0,0 +1,22 @@
+# test with various arguments
+
+# 1. with no args, should run all tests below current dir
+$ shelltest
+> /Please specify at least one test file or directory/
+>= !0
+
+# 2. XXX a bad executable should error without running tests
+#$ shelltest --with nosuchexe
+#> /Total +0/
+
+# 3. a bad executable with testfiles should fail
+$ shelltest --with nosuchexe tests/format2/args.test
+> /user error/
+>= 1
+
+# 4. a bad testfile should fail
+$ shelltest --with cat nosuchtestfile
+>2 /No such file/
+>= 1
+
+# a final comment
diff --git a/tests/format3/format3.test b/tests/format3/format3.test
new file mode 100644
--- /dev/null
+++ b/tests/format3/format3.test
@@ -0,0 +1,21 @@
+# File format 2b - same as format 2, but with short delimiters.
+
+AA
+$  cat
+AA
+
+# test 2
+$  cat
+> /A/
+>2
+>= 0
+
+# test 3
+<
+A
+$  cat
+> /A/
+>2
+>=
+
+#
diff --git a/tests/format3/help.test b/tests/format3/help.test
new file mode 100644
--- /dev/null
+++ b/tests/format3/help.test
@@ -0,0 +1,5 @@
+# with --help, output should contain usage
+# and exit code should be 0
+$ shelltest --help
+> /Common flags:/
+
diff --git a/tests/format3/indented-input.test b/tests/format3/indented-input.test
new file mode 100644
--- /dev/null
+++ b/tests/format3/indented-input.test
@@ -0,0 +1,4 @@
+# indented input should not break the parser
+ x
+$  cat
+> //
diff --git a/tests/format3/just-a-comment.test b/tests/format3/just-a-comment.test
new file mode 100644
--- /dev/null
+++ b/tests/format3/just-a-comment.test
@@ -0,0 +1,1 @@
+# just a comment
diff --git a/tests/format3/large-output.test b/tests/format3/large-output.test
new file mode 100644
--- /dev/null
+++ b/tests/format3/large-output.test
@@ -0,0 +1,6 @@
+# lots of input & output
+# - should not provoke a hang
+# - full input is required in test file
+# - expected & actual values should be trimmed in the report
+$  ghc -e "putStr $ replicate 100000 'a' ++ ['b','\n']"
+aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa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ab
diff --git a/tests/format3/macros.test b/tests/format3/macros.test
new file mode 100644
--- /dev/null
+++ b/tests/format3/macros.test
@@ -0,0 +1,3 @@
+# 1. Test if macros are replaced and tests are successful.
+shelltest -D{exe}=echo "-D{in}=My message" "-D{out}=My message" -D{doNotExist}=null tests/format3/abstract-test-with-macros
+>>>= 0
diff --git a/tests/format3/no-input.test b/tests/format3/no-input.test
new file mode 100644
--- /dev/null
+++ b/tests/format3/no-input.test
@@ -0,0 +1,6 @@
+# test "mac will hang if input is specified and stdin is not read" fix
+dummy input
+$  echo
+> /(
+)|(.*ECHO is on.*)/
+>= 0
diff --git a/tests/format3/parsing.test b/tests/format3/parsing.test
new file mode 100644
--- /dev/null
+++ b/tests/format3/parsing.test
@@ -0,0 +1,12 @@
+# misc. testfile parsing tests
+# 1. can we regexp-match a forward slash ?
+$  echo /
+> /\//
+
+# 2. can we handle an empty regexp ?
+$  echo
+> //
+
+# 3. or a regexp followed by a comment ?
+$  echo
+> // # comment
diff --git a/tests/format3/regexps.test b/tests/format3/regexps.test
new file mode 100644
--- /dev/null
+++ b/tests/format3/regexps.test
@@ -0,0 +1,18 @@
+# simple regexp
+$  echo test
+> /^test$/
+
+# negative regexp
+$  echo test
+> !/toast/
+
+# large regexp
+# pcre-light handles regexps up to about 32764 chars, any larger gives a runtime error
+#> /aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa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+# regex-tdfa memory usage blows up.. I fear to use anything more than 250 chars
+$  ghc -e "putStr $ replicate 33000 'a'"
+> /aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/
+
+# regexp containing quoted /
+$  echo 2015/1/1
+> /2015\/1\/1/
diff --git a/tests/format3/trailing-comment-no-newline.test b/tests/format3/trailing-comment-no-newline.test
new file mode 100644
--- /dev/null
+++ b/tests/format3/trailing-comment-no-newline.test
@@ -0,0 +1,5 @@
+$  echo
+> /(
+)|(.*ECHO is on.*)/
+>= 0
+# comment
