davido has the answer. That's the way to do it. If func returns 0 or undef, $var will be assigned to $var, therefore keeping its original value. I use this technique all the time.

A for will get you from A to Z; a while will get you everywhere.
-- greengaroo

In reply to Re^2: Variable assignment error checking by greengaroo
in thread Variable assignment error checking by nathaniels

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