No, I know to use Perl boolean rather than tests against actual values.

In the case at hand, I really want undef to stop subsequent work on the value. It's more like a database NULL, rather than a value of 0 (or an empty string). Maybe both of those are allowed values that I want to operate on.

In reply to Re^2: What's the opposite of // (err) operator? by John M. Dlugosz
in thread What's the opposite of // (err) operator? by John M. Dlugosz

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