Just a quick one regarding your side question. As far as I know there is no limit to the size of the hash its simply a question of RAM.

Ive read and dedupped a UK MPS file (4 1/2 million records) with no problem on a machine with 2 GB ram.

skywalker

In reply to Re: Problem cycling through top level of nested hashes by skywalker
in thread Problem cycling through top level of nested hashes by tomdbs98

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