I have a uninitialized variabe $tmp. How can I check if the variable is initialized are not.I want to catech the warning without suppressing it using no warnings qw( uninitialized ). Please tell me how can I do it.
Code:
my $tmp;
my $var;
$var = "raghu";
if ( $tmp eq "" )
{
if ($tmp ne $var)
{
print " XYZ \n";
}