diff --git a/COPYING.txt b/COPYING.txt
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--- /dev/null
+++ b/COPYING.txt
@@ -0,0 +1,14 @@
+            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+                    Version 2, December 2004
+
+ Copyright (C) 2010 Oscar Finnsson
+
+ Everyone is permitted to copy and distribute verbatim or modified
+ copies of this license document, and changing it is allowed as long
+ as the name is changed.
+
+            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. You just DO WHAT THE FUCK YOU WANT TO.
+
diff --git a/Setup.hs b/Setup.hs
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--- /dev/null
+++ b/Setup.hs
@@ -0,0 +1,2 @@
+import Distribution.Simple
+main = defaultMain
diff --git a/hs2dot.cabal b/hs2dot.cabal
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--- /dev/null
+++ b/hs2dot.cabal
@@ -0,0 +1,73 @@
+-- hs2graphviz.cabal auto-generated by cabal init. For additional
+-- options, see
+-- http://www.haskell.org/cabal/release/cabal-latest/doc/users-guide/authors.html#pkg-descr.
+-- The name of the package.
+Name:                hs2dot
+
+-- The package version. See the Haskell package versioning policy
+-- (http://www.haskell.org/haskellwiki/Package_versioning_policy) for
+-- standards guiding when and how versions should be incremented.
+Version:             0.1.1
+
+-- A short (one-line) description of the package.
+Synopsis:            Generate graphviz-code from Haskell-code.
+
+-- A longer description of the package.
+Description: 
+   @hs2dot@ can generate graphviz code by analyzing Haskell source code.
+   .
+   Usage (to generate a pdf from a source code file Hack.hs)
+   .
+   > hs2dot Hack.hs | dot -T pdf -o Hack.pdf
+   .
+   You can analyze multiple modules together:
+   .
+   > hs2dot Foo.hs Bar.hs | dot -T png -o FooBar.png
+
+-- URL for the project homepage or repository.
+Homepage:            http://www.github.com/finnsson/hs2graphviz
+
+-- The license under which the package is released.
+License:             OtherLicense
+
+-- The file containing the license text.
+License-file:        COPYING.txt
+
+-- The package author(s).
+Author:              Oscar Finnsson
+
+-- An email address to which users can send suggestions, bug reports,
+-- and patches.
+Maintainer:          oscar.finnsson@gmail.com
+
+-- A copyright notice.
+-- Copyright:           
+
+Category:            Language
+
+Build-type:          Simple
+
+-- Extra files to be distributed with the package, such as examples or
+-- a README.
+-- Extra-source-files:  
+
+-- Constraint on the version of Cabal needed to build this package.
+Cabal-version:       >=1.2
+
+
+executable hs2dot 
+  -- .hs or .lhs file containing the Main module.
+  Main-is: Main.hs          
+  
+  -- Packages needed in order to build this package.
+  build-depends:       base >= 4 && < 5, directory >= 1.0.1.1, split >= 0.1.2, haskell-src-exts >= 1.9.0, haskell98, haskell-src >= 1.0.1.3
+  
+  -- Modules not exported by this package.
+  -- Other-modules:       
+  
+  -- Extra tools (e.g. alex, hsc2hs, ...) needed to build the source.
+  -- Build-tools:         
+ 
+  hs-source-dirs: src
+
+ 
diff --git a/src/Main.hs b/src/Main.hs
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--- /dev/null
+++ b/src/Main.hs
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+module Main where
+
+import Hs2Dot.Internals
+
+import System.Environment (getArgs)
+import System.IO (FilePath)
+import Control.Monad (filterM)
+import System.Directory (doesFileExist)
+
+
+
+main :: IO ()
+main = do
+  args <- getArgs
+  files <- filterM doesFileExist args
+  code <- files2dot files
+  putStr $ if null files then manual else code
+
+manual :: String
+manual =
+  "usage: hs2dot [files.hs]*\n" ++
+  "\n" ++
+  "The files must be Haskell source code that haskell-src-exts can parse.\n" ++
+  "Some restrictions apply to the source files that can be parsed!\n"