There are many ways. One of them: 
my @combinearray;
for (my $i = 0; $i < @array1; $i++) {
    $combinearray[$i] = [$array1[$i], $array2[$i]];
}

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What to do if the arrays are not of equal length is left as an exercise to the reader.

In reply to Re: iterating 2 arrays in parallel by JavaFan
in thread iterating 2 arrays in parallel by Anonymous Monk

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