Re^2: I can't find the IP address!

Come on now, really.

print "$_ is $ENV{$_}\n" for sort keys %ENV;

1 character less, plus it beats the snot out of using map where it is not needed.

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Re^3: I can't find the IP address! by Aristotle (Chancellor) on Jun 22, 2003 at 13:15 UTC
Why not needed? map isn't called in void context; on the other hand the `for` variant calls print repeatedly, while the other invokes it only once. </nitpick> Makeshifts last the longest.	[reply]