in reply to Re: Setting values for undefined environment variables
in thread Setting values for undefined environment variables
That's a truth test, not a defined-ness test or existence test. I think you want:if ($ENV{$val}) {
there, or else you'll be saying "undefined" for envars that are 0 or empty.if (defined $ENV{$val}) {
-- Randal L. Schwartz, Perl hacker
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