use DBM::Deep;
tie my %total, 'DBM::Deep', $filename;

[download]

Now, you're limited to disk size, not RAM size.

My criteria for good software:
  1. Does it work?
  2. Can someone else come in, make a change, and be reasonably certain no bugs were introduced?

In reply to Re: How to save memory, parsing a big file. by dragonchild
in thread How to save memory, parsing a big file. by idle

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