Added a generator for CPAN expressions. Expressions often require manual editing, but still something..

svn path=/nixpkgs/trunk/; revision=11947

pkgs/development/perl-modules/expression-generator/make-clean-dir.sh

@@ -0,0 +1,5 @@
+#! /bin/sh
+
+rm -rf test;
+mkdir test; 
+for i in *.sh; do ln -s ../$i test; done;