Hi all,
good points about lexical scoping, but I would append:
use references 
@a=@b; # the array will be twice in memory
$a=\@b; # the array is once in memory

[download]

This is specially usefull when passing large arrays (or hashes or scalars) to subroutines.
I hope this helps.
---------------------------
Dr. Mark Ceulemans
Senior Consultant
IT Masters, Belgium

In reply to Re: Improving memory performance by mce
in thread Improving memory performance by ezekiel

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