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Re^2: searching for clear ways to overwrite the empty stringby graff (Chancellor) |
on Apr 20, 2016 at 00:38 UTC ( [id://1160954]=note: print w/replies, xml ) | Need Help?? |
That's neat -- and it could be done like this to make sure that both "undef" and "empty string" are handled without warnings:
(UPDATE: But I'm inclined to think that when there's a problem with too many long variable names, it might mean that those variable names really ought to be keys in a hash.) (updated again to fix the mis-typed operator in the snippet.)
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