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Re^3: Sort undefby LanX (Saint) |
| on Jun 12, 2017 at 16:29 UTC ( [id://1192617]=note: print w/replies, xml ) | Need Help?? |
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Nice! I was worried that <=> can't handle "" without warnings, but that's not the case here. :) (empty string is the false value returned from defined(undef) )
EDITForget it, I'm getting old ... false is a dual var which resolves to 0 in numeric context.
Cheers Rolf
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