Perhaps you could use Tie::IxHash? 
   my %unordered=(...);
   tie my %ordered, "Tie::IxHash";
   for my $key (sort {$unordered{$a}[1] cmp $unordered{$b}[1]} keys %$
+unordered) {
      $ordered{$key}=$unordered->{$key};
   };

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In reply to Re^3: sorting hash by a certain value (that it is in an array) by clueless newbie
in thread sorting hash by a certain value (that it is in an array) by gooyava

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