Select Code to Download

use strict;
use warnings;
...

warn $x;

"my" variable $x masks earlier declaration in same scope at c:/tmp/pm/
+scope_postfix_for.pl line 12.
666 at c:/tmp/pm/scope_postfix_for.pl line 7.
Use of uninitialized value $x in warn at c:/tmp/pm/scope_postfix_for.p
+l line 16.
Warning: something's wrong at c:/tmp/pm/scope_postfix_for.pl line 16.