If the reason you used a spreadsheet was because it was the easiest way for you to edit the data, and your actual question here is "what is the easiest way to pull data from a spreadsheet into Perl", I will suggest my Data::TableReader which can easily extract some columns of a spreadsheet into perl hashrefs (one per row) which you can then use in any algorithm you like, such as suggested by others here.

In reply to Re: Multiple file handles by NERDVANA
in thread Multiple file handles by MoodyDreams999

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