You didn't say what you wanted to optimize, so here's another take on it: 

my @filenames = do {
   opendir my $d, "." or die;
   sort readdir $d
};

[download]
Note that this only works on modern perls.

duff

In reply to Re: how to do effective sort in perl by duff
in thread how to do effective sort in perl by Anonymous Monk

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