in reply to Need to sort and data structure based on values inside arrayrefs.
http://learn.perl.org/faq/perlfaq4.html#How-do-I-sort-an-array-by-anything-, http://perldoc.perl.org/perlfaq4.html#How-do-I-sort-an-array-by-%28anything%29%3f
Understanding the Schwartzian transform., Re: Sorting a HoH by values of the nested hashes,
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