re: Perl - You're probably thinking of $_, which most Perl programmers call it. However this only gets topicalised in bare for & while but not if. So you cou

re: Perl - You're probably thinking of $_, which most Perl programmers call it. However this only gets topicalised in bare for & while but not if. So you could do... for (something_exists) { do_something_to($_); } ... as long as something_exists doesn't return a list :) More common approach I've seen in Perl (and other languages where variable declarations return its value) is this: if (my $it = something_exists) { do_something_to($it); }