but I'd be surprised if it's smart enough to make the same optimization in your reverse case
Unfortunately there's no surprise for you: 
$ perl -we 'for(0..999999999){last}'
$ perl -we 'for(reverse 0..999999999){last}'
Out of memory!
$

[download]
(That's perl 5.8.8.)

In reply to Re^2: cull by betterworld
in thread cull by tlm

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