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Re: how do I efficiently remove one hash from another?

by rjt (Deacon)
on Nov 27, 2012 at 09:28 UTC ( #1005822=note: print w/replies, xml ) Need Help??

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  1. or download this
    for (keys %hash1) {
        next if exists $hash2{$_};
        # ... your main loop code here
    }
    

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