Re: [FWP] Wanted - Have = Need

[John Porter <jdporter@min.net>]

John Carter wrote:
> 
> I have a file full of things I have and a file full of things I want, and
> I want a list of things I still need to build (that which is in the wanted
> list but not the have list.)
> 
> open( HAVE, "have");
> %Have = map {$_=>1} <HAVE>;
> close HAVE;
> open( WANTED, "wanted");
> print grep { !exists( $Have{$_})} <WANTED>;
> close WANTED;

fgrep -v -f have wanted

-- 
John Porter


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