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Re^3: Internally, how do for() and while() differ?by LanX (Saint) |
| on Oct 27, 2015 at 09:12 UTC ( [id://1146080]=note: print w/replies, xml ) | Need Help?? |
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I meant while's scalar context, and only this iterator. Should be documented ( perlsyn ? )
Cheers Rolf
UPDATEsee perlop#IO-Operators : > If and only if the input symbol is the only thing inside the conditional of a while statement (even if disguised as a for(;;) loop), the value is automatically assigned to the global variable $_ , destroying whatever was there previously.
In Section
Seekers of Perl Wisdom
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