in reply to uninitialized $_ sneaks past warnings in grep/map block or expression
If you understand the rule that it's ok to copy undef to another variable, but not use it in an operation, all of these make perfect sense.
-- Randal L. Schwartz, Perl hacker
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be interpreted as described in RFC 2119.
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Re^2: uninitialized $_ sneaks past warnings in grep/map block or expression
by ikegami (Patriarch) on Sep 01, 2010 at 14:05 UTC |
In Section
Seekers of Perl Wisdom