Excellent, spurperl, a good introduction to a very useful module. There's a couple of points I feel should be included though.
File::Find is cross-platform. It's one of the really handy ways for iterating directory trees on Windows - something Microsoft don't encourage you to do, with their 'hidden files' (File::Find X-rays through Windows hidden files mechanism nicely :-).
There's also a gotcha about the direction and number of the slashes. The value of $_ and $File::Find::name is not what you would expect in Windows.
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