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Re: Switch the odd/even elements of an array

by wind (Priest)
on Mar 04, 2011 at 20:31 UTC( #891512=note: print w/replies, xml ) Need Help??


in reply to Switch the odd/even elements of an array

use xor on the array indexes:
my @foo = (1..8); my @bar = @foo[map {$_ ^ 1} (0..$#foo)]; print "@bar";
Outputs
2 1 4 3 6 5 8 7
- Miller

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