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in reply to Sort array1 according to sorting of array2

@arr1=@arr1[sort{$arr2[$a]<=>$arr2[$b]}0..$#arr2];

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Re^2: Sort array1 according to sorting of array2
by hv (Prior) on Aug 26, 2004 at 11:09 UTC

    Yup, this is how I'd do it (maybe with a touch more whitespace). I'd expect this also to be more efficient than any approach splitting the numbers out of @arr1 again, though not necessarily better than switching to different ways of structuring the data.

    Hugo

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