If you really want to avoid SQLite you could take a look at mce_loop_f from MCE::Loop.
The name is the program as _f stands for file.
«The Crux of the Biscuit is the Apostrophe»
In reply to Re: efficient perl code to count, rank
by karlgoethebier
in thread efficient perl code to count, rank
by Perl_Noob2021
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