Nice, though I do have a few suggestions about this line: 
map {chop} @sigs;

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First of all, its always safer to use chomp, since it will only remove whatever your OS uses for newlines. If there isn't a newline after the last sig in your file, your chop version will remove the last char in the sig, chomp wont. 
map {chomp} @sigs;

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Second we're calling map in void context which is expensive. map generates a new array for us, that we don't need or use -- i.e. @newarray = map {chomp} @sigs; Such "void maps" are better written as for loops... 
chomp for @sigs;

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But as it turns out, chomp can take a list as an argument, so the above line can be shortened to: 
chomp @sigs;

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-Blake

In reply to Re: Searching a collection of signatures by blakem
in thread Searching a collection of signatures by FoxtrotUniform

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