[Gllug] Mass renaming of files

[Tethys]

Ian Norton writes:

>i still think mine is better :-)

Yours is hideously inefficient in that it reads the directory contents
twice on each pass, rather than just once at the beginning. It also
doesn't recurse into subdirectories, and doesn't handle filenames with
whitepsace. But other than that, it looks fine :-)

Tet


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