Phillip> At 02:32 PM 12/30/2008 -0800, Scott David Daniels wrote: >> More trouble with the "just take the dirname": >> >> paths = ['/a/b/c', '/a/b/d', '/a/b'] >> os.path.dirname(os.path.commonprefix([ >> os.path.normpath(p) for p in paths])) >> >> give '/a', not '/a/b'.
Phillip> ...because that's the correct answer.
I don't understand. If you search for os.path.commonprefix at codesearch.google.com you'll find uses like this:
if os.path.commonprefix([basedir, somepath]) != basedir: ...
which leads me to believe that other people using the current function in the real world would be confused by your interpretation.