You don't need the if because if $increment isn't defined yet, its value will be 0, therefore   $total += $increment; will still equal   $total.

- - arden.

update: I agree with Limbic~Region, I was simply making the case for adding up numbers based on the existence or non-existence of a variable.

In reply to Re: Idiomatic Perl by arden
in thread Idiomatic Perl by Anonymous Monk

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