X-Git-Url: http://gitweb.michael.orlitzky.com/?p=dead%2Flwn-epub.git;a=blobdiff_plain;f=src%2FCommandLine.hs;h=7afc7f1589a84c78a53fcf45493f7d0caad0be1f;hp=a61cc30e46b570a34f6541e68a39f1368a5a8677;hb=823c2383e7bfd649b2213faecd1586fa6c2b5473;hpb=6f0e6cbece7e1b1a3c6b43d19eb2f29088af981c

diff --git a/src/CommandLine.hs b/src/CommandLine.hs
index a61cc30..7afc7f1 100644
--- a/src/CommandLine.hs
+++ b/src/CommandLine.hs
@@ -1,6 +1,10 @@
 {-# LANGUAGE DeriveDataTypeable #-}
 
-module CommandLine (Args(..), apply_args)
+module CommandLine (
+  Args(..),
+  apply_args,
+  program_name,
+  show_help)
 where
 
 -- Get the version from Cabal.
@@ -45,7 +49,7 @@ description :: String
 description = "Convert LWN articles to EPUB format."
 
 program_name :: String
-program_name = "lwn_epub"
+program_name = "lwn-epub"
 
 lwn_epub_summary :: String
 lwn_epub_summary =
@@ -71,6 +75,9 @@ is_missing_arg_error s =
   startswith "Requires at least" s
 
 
+show_help :: IO (CmdArgs Args)
+show_help = withArgs ["--help"] parse_args
+
 parse_args :: IO (CmdArgs Args)
 parse_args = do
   x <- getArgs
@@ -80,7 +87,7 @@ parse_args = do
       Left err ->
         if (is_missing_arg_error err) then
           -- Disregard the error message, show help instead.
-          withArgs ["--help"] parse_args
+          show_help
         else do
           hPutStrLn stderr err
           exitWith (ExitFailure exit_args_parse_failed)