what the force of many cannot
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Your skill will accomplish what the force of many cannot |
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| PerlMonks |
Re^2: uninitialized $_ sneaks past warnings in grep/map block or expressionby ikegami (Patriarch) |
| on Sep 01, 2010 at 14:05 UTC ( [id://858343]=note: print w/replies, xml ) | Need Help?? |
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That explains the first, but undef isn't being copied in the map and grep statements. The OP doesn't know that map and grep set $_.
In Section
Seekers of Perl Wisdom
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