Oh right. It would be 

                @list = map { unpack 'j>', $_ }
                        sort
                        map { pack 'j>', $_ }
                        @list;

[download]

I knew I was tired and missing something.

In reply to Re^4: Fastest way to sort a list of integers into 0,1,2,3,-3,-2,-1 by ikegami
in thread Fastest way to sort a list of integers into 0,1,2,3,-3,-2,-1 by haukex

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