in reply to Re: Re: Anyone use "xor" in conditionals?
in thread Anyone use "xor" in conditionals?
Try it with a non-existent directory. Perl will warn if you do a numeric comparison with an undefined expression, while undef will evaluate as false in a boolean comparison.
HTH
PS Change the 'if' in your original node to 'unless', but I'm guessing you already know that...
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