Slightly relating issue. Is 

while (local $_= each %hash) { .... }

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better than 
for (keys %hash) { .... }

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? Does perl optimize the latter or does it build a possibly large temporary list of the keys? I know that with arrays, 
for (@array) { .... }

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is fast.

In reply to Re: It's bad manners to slurp by ambrus
in thread It's bad manners to slurp by rinceWind

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