Just change your 'for' to 'while'

...because for would slurp your file into memory,
whereas while only reads it line by line.

It's mentioned in perldoc perlintro
Update: bummer, it isn't mentioned there. And so certain was I...

Cheers, Sören

In reply to Re^2: Large file problem by Happy-the-monk
in thread Large file problem by JohnBrook

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