> It's about memory usage

I can't say much about this, ...

... but my gut feeling is that this is a kind of micro optimization, which's efforts should rather spent else where.

Otherwise you should talk to p5p ...

Cheers Rolf
(addicted to the Perl Programming Language :)
Wikisyntax for the Monastery FootballPerl is like chess, only without the dice

In reply to Re^5: "exists $hash{key}" is slower than "$hash{key}" by LanX
in thread "exists $hash{key}" is slower than "$hash{key}" by swl

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