>>>>> "7" == 7 <7stud.7s...@gmail.com> writes:
7> if (defined $var && ($var eq '' || $var eq '0')) {
7> #code
7> }
7> to handle cases where $var = undef. undef acts like it is a blank
7> string when used as a string.
blah..
unless( $var ) {
is all you need for that situation. you are already testing three of the
four allowed false values. and the numeric 0 would be covered under the
eq '0' test anyhow.
newbies should be taught perl's boolean false values early on.
uri
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