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Re: Using grep for many-to-many relationships

by Moron (Curate)
on Jul 02, 2007 at 11:49 UTC ( #624417=note: print w/replies, xml ) Need Help??


in reply to Using grep for many-to-many relationships

my @availablePosts = grep { for my $enemy( keys %$_ ) { if ( !defined( $player{ $enemy }) || ( $player{ $enemy } < $_ +-> { $enemy } ) ) { $_ = undef(); last; } } } @posts;
(untested)
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