in reply to Better way to do this

It would really be nice to explain what you want to achieve. Reverse engineering your example is tedious...

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Re^2: Better way to do this
by PetreAdi (Sexton) on Feb 20, 2016 at 18:51 UTC

    I want to extract aubarrays between array indexes (@idxs)

    The subroutine takes an hour

    Any idea for optimizing it??

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