my @return = undef;  # XXX  Inits the array with one undef element
my @return = ();     # OK   Empties the array.
my @return;          # GOOD 'my' already creates an empty array

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By the way, exception has a rather precise meaning, and that isn't one. A warning is what it is. I would also accept error.

In reply to Re: grep throws an exeption by ikegami
in thread grep throws an exeption by gmoque

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