in reply to Check For null Arguments
if ($Do_Dir eq '') {
But, if you're interested in why your code doesn't work... Tip #6 from the Basic debugging checklist, B::Deparse
if ("$Do_Dir" == 'null') {
warnings also generates a message to let you know there is a problem.
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Re^2: Check For null Arguments
by rfleisch (Initiate) on Mar 13, 2013 at 15:47 UTC |