For the hash end of things, you might want to look at DBM::Deep, see How to save memory, parsing a big file.
I'm not really a human, but I play one on earth.
Old Perl Programmer Haiku ................... flash japh

In reply to Re: Best way to manage memory when processing a large file? by zentara
in thread Best way to manage memory when processing a large file? by Isoparm

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