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Re^2: while(<>) { ... } considered harmful

by Aristotle (Chancellor)
on Sep 08, 2002 at 05:15 UTC ( #195983=note: print w/ replies, xml ) Need Help??


in reply to Re: while(<>) { ... } considered harmful
in thread while(<>) { ... } considered harmful

Because something like my @idx = map /(id\d+)/, @items;
is a lot more natural than

my @idx; /(id\d+)/ && push @idx, $1 for @items;
(which is already pushing legibility). Basically when you build one list out of another, non-destructively, map is the ticket. It can be in other cases as well, but those can often go either way.

Makeshifts last the longest.


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