I think I came in a little late, and saw "2. no files match the given > pattern," in which case I'm sticking to my story and returning an empty > list. > > The original problem was "to search a directory and return the name of > the most recent file matching a given pattern." I'd still prefer an > exception to None, and we agree on that an empty string is bad because > it's not a non-string and it could be too easily mistaken for a > filename. > > Agreed.
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