Q1: Access to a hash of hashes is fast, perhaps your use of the hash of hashes could be speeded up.

Q2: a text based solution could be:
use Data::Dumper; to write out and eval the contents to "reload" what has been written out.

In reply to Re: writing hash to a file ...is it possible by Utilitarian
in thread writing hash to a file ...is it possible by perlplayer

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