This really only works when you have all your "relevant" source files in one single subdirectory. I can assure you not every project is structured that way.
Then good I didn't rush to make one ;)
Thank you, I will try that!
-f.r.
http://www.ohloh.net/projects/4586 is a duplicate of http://www.ohloh.net/projects/3761, with 3761 the older and apparently more used one.