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Okay, here's my very cheesy entry. It actually doesn't follow the rules, but it's the best I could do ;) I at least followed the intent (on finding missing files).

You pass missing a list of files (which must be presorted :) and it will return all the missing ones. No other options are available, but in the case of a directory of files, it works.

sub missing { for$x(($_[0]=~/(.+)\..+/)[0]..($_[$#_]=~/(.+)\.(.+)/)[0]) {push@x,"$x.$2" unless grep$x eq(/(.+)\..+/)[0],@_};@x; } print missing qw (bar001.jpg bar002.jpg bar010.jpg);
That's 111 characters. It's sloppy, it's very confined and it's not compliant. But shoot, I couldn't do it correctly. I should add, however, that mine version doesn't require the filenames to start with "bar" or end with ".jpg". They can be anything. The missing function properly handles most things.

In reply to Re: Perl Golf Proposal by mr.nick
in thread Perl Golf Proposal by sharle

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