You're only doing half the work now :-)
But if I understand gene work (not a certainty at all), I'm doing the half they actually want to do. :-P A molecule isn't paired with both of its neighbors, they are grouped two-by-two.

At least now I understand why they were doing the lookahead.

The PerlMonks advocate for tr///

In reply to Re^3a: using s/// as map? by Roy Johnson
in thread how can I speed up this perl?? by Anonymous Monk

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