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Re: fastest way to compare two arrays

by krusty (Hermit)
on Apr 14, 2011 at 00:21 UTC ( [id://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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