in reply to Number as string

The + operator is always about addition of numbers. If you want to concatenate a string value, use ".".

From Programming Perl: 

$a = 123;
$b = 456;
print $a + $b;     # prints 579
print $a . $b;     # prints 123456

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--
Your left-hand veeblefetzer is calibrated to the wrong Frammistan coefficient. Pass me that finklegruber.

In Section Seekers of Perl Wisdom