diff --git a/System/Posix/ARX/Programs.hs b/System/Posix/ARX/Programs.hs
--- a/System/Posix/ARX/Programs.hs
+++ b/System/Posix/ARX/Programs.hs
@@ -34,8 +34,9 @@
  -}
 newtype SHDAT                =  SHDAT Word  -- Chunk size.
 instance ARX SHDAT LazyB.ByteString where
-  interpret (SHDAT w) bytes  =  mconcat (chunked bytes)
+  interpret (SHDAT w)        =  localeC . mconcat . chunked
    where
+    localeC b                =  "( export LC_ALL=C\n" `mappend` b `mappend` ")"
     chunkSize                =  min (fromIntegral w) maxBound
     chunked input            =  case LazyB.splitAt chunkSize input of
       ("", "")              ->  []
@@ -66,11 +67,15 @@
    where
     archives                 =  mconcat (uncurry archive <$> stuff)
     archive tar bytes        =  mconcat
-      ["{\n", shdat bytes, "} | tar ", flags tar, "\n"]
+      [shdat bytes, " | tar ", flags tar, "\n"]
     flags TAR                =  "-x"
     flags TGZ                =  "-x -z"
     flags TBZ                =  "-x -j"
-    run'                     =  shdat run
-    env' = (shdat . Blaze.toLazyByteString . Sh.render) env
+    run' = case run of ""   ->  ""
+                       _    ->  shdat run
+    env' = case env of _:_  ->  (shdat . unblz . Sh.render) env
+                       [ ]  ->  ""
     shdat                    =  interpret encoder
+    unblz                    =  Blaze.toLazyByteString
+
 
diff --git a/arx.cabal b/arx.cabal
--- a/arx.cabal
+++ b/arx.cabal
@@ -1,5 +1,5 @@
 name                          : arx
-version                       : 0.0.1
+version                       : 0.0.2
 category                      : Text
 license                       : BSD3
 license-file                  : LICENSE
@@ -31,6 +31,20 @@
   encoder. The @System.Posix.ARX@ module provides access to the routines used
   for constructing commands and environments, describing archives and building
   Bourne shell scripts.
+  .
+  One way I have used @arx@ is to test the Cabal source archive for this
+  package:
+  .
+  @
+  arx tmpx .\/dist\/arx-* \/\/ 'cd arx-* && cabal configure && cabal build' | sh
+  @
+  .
+  There are binary @arx@ command line tool releases available from:
+  .
+    <https://github.com/solidsnack/arx/downloads>
+  .
+  For each supported platform, there is an archive containing @arx@ and
+  signature files (SHA 512 and GPG).
 
 cabal-version                 : >= 1.6
 build-type                    : Simple