GF/src is now for 2.9, and the new sources are in src-3.0 - keep it this way until the release of GF 3

src-3.0/tools/mkHelpFile.perl

@@ -0,0 +1,49 @@
+
+$infile = $#ARGV >= 0 ? '@'.join('@, @', @ARGV).'@' : '/the input file/';
+
+print <<EOF;
+----------------------------------------------------------------------
+-- |
+-- Module      : HelpFile
+-- Maintainer  : Aarne Ranta
+-- Stability   : Stable (Autogenerated)
+-- Portability : Haskell 98
+--
+-- > CVS \$Date \$
+-- > CVS \$Author \$
+-- > CVS \$Revision \$
+--
+-- Help on shell commands. Generated from $infile by invoking the 
+-- perl script \@mkHelpFile.perl\@.
+-- Automatically generated -- PLEASE DON'T EDIT THIS FILE,
+-- edit $infile instead.
+-----------------------------------------------------------------------------
+
+module HelpFile (txtHelpFileSummary, txtHelpCommand, txtHelpFile) where
+
+import Operations
+
+txtHelpFileSummary :: String
+txtHelpFileSummary =
+  unlines \$ map (concat . take 1 . lines) \$ paragraphs txtHelpFile
+
+txtHelpCommand :: String -> String
+txtHelpCommand c =
+  case lookup c [(takeWhile (/=',') p,p) | p <- paragraphs txtHelpFile] of
+    Just s -> s
+    _ -> "Command not found."
+
+txtHelpFile :: String
+txtHelpFile =
+EOF
+
+while (<>) {
+  chop;
+  s/([\"\\])/\\$1/g;
+  $pref = /^ / ? "\\n" : "\\n";
+  print "  \"$pref$_\" ++\n";
+}
+
+print "  []\n";
+
+