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Re: scanning hash

by BrowserUk (Pope)
on Aug 01, 2004 at 11:16 UTC ( #379052=note: print w/replies, xml ) Need Help??

in reply to scanning hash

use List Util qw[ reduce ]; print 'They\'re all the same!' if reduce{ $a && $a eq $b ? $a : () } values %hash;

Examine what is said, not who speaks.
"Efficiency is intelligent laziness." -David Dunham
"Think for yourself!" - Abigail
"Memory, processor, disk in that order on the hardware side. Algorithm, algorithm, algorithm on the code side." - tachyon

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Re^2: scanning hash
by ysth (Canon) on Aug 01, 2004 at 11:26 UTC
    Very nice. But assumes that all values are true. It would be fairly easy to make it work with 0 or "" values, but not so easy to make it work with undef.

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