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Re: fastest way to compare two arrays

by krusty (Hermit)
on Apr 14, 2011 at 00:21 UTC ( #899316=note: print w/ replies, xml ) Need Help??

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  1. or download this
    @hash{@range} = (1) x @range;  #guess I don't need to replicate now.
    delete @hash{@ports};
    @open = sort {$a <=> $b} keys %hash; 
    #seems to work
    

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