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Articuno's scratchpad

by Articuno (Beadle)
on Sep 09, 2005 at 15:19 UTC ( #490601=scratchpad: print w/ replies, xml ) Need Help??

Tricks, tips, one-liners, and friends

* Hash for testing for existence of keys:

my @words = qw(john mary ted larry wendel); my %dict; @dict{@words} = undef; print "larry exists \n" if exists $dict{'larry'}; print "bill exists \n" if exists $dict{'bill'}; print "bill doesn't exist \n" unless exists $dict{'bill'};
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