sure: the perldocs for while, split, sort
Searching for "Hash of Array" and "Array of Array " and "Schwartzian transform" might help.
Showing us your attempts instead of just a fuzzy requirement hidden in the code-area will help giving you more constructive advices.
Cheers Rolf
UPDATE: If I understand your data, you should:
In reply to Re: sorting a table columns using hashes
by LanX
in thread sorting a table columns using hashes
by ihperlbeg
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