On Thu, 2007-08-30 at 10:44 -0700, [EMAIL PROTECTED] wrote: > > > > How could it not be an exception, in the plain English sense of the > > word? Most certainly you're asking for the index because you want to do > > something with the index. If the item is not found, you have no index, > > so that's a special case that must be handled separately. There is no > > logical difference between handling that special case in an except > > clause versus handling it with an if-branch. > > In my case of have done os.listdir() on two directories. I want to see > what files are in directory A that are not in directory B. > [...]
list.index() is the wrong tool for that job. Python has sets, use them. -- Carsten Haese http://informixdb.sourceforge.net -- http://mail.python.org/mailman/listinfo/python-list
