OK I get (c) now, however I'm afraid it can't be incorporated to the existing code. To implement (c) you'd probably have to script a wildcard matching routine from scratch. It would have to be exhaustive, trying all substrings that can be matched by each * char (a recursive approach would be most natural here). You can find examples of recursive wildcard matching algorithms on the net to get an idea, but I wouldn't bother if I were you. Scripting that would be neither simple nor fast.
