Adding this entry: 
    anon     => '@anon = (sort(grep!/:/,@array), sort(grep/:/,@array))
+',

[download]

To your benchmark code demonstrates a significant speed increase (and the 'grep only once' anonymous version seen previously is slightly faster still): 


           Rate greenFox     3dan abigail1 abigail2     anon
greenFox 26.2/s       --      -7%     -48%     -51%     -68%
3dan     28.2/s       8%       --     -44%     -48%     -65%
abigail1 50.7/s      94%      80%       --      -6%     -37%
abigail2 53.7/s     105%      91%       6%       --     -33%
anon     80.7/s     208%     186%      59%      50%       --

[download]

In reply to Re: Re: Genesis of a sort routine by Anonymous Monk
in thread Genesis of a sort routine by greenFox

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