You can sort the indexes: 
my @index = 0..$#a;
@index = sort { $a[$a] <=> $a[$b] } @index;
my @sorted_a = @a[@index];
my @sorted_b = @b[@index];

use List::MoreUtils qw/zip/;
my @combined_sorted = zip @sorted_a, @sorted_b;

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Perl 6 - second systems done right

In reply to Re: sorting two arrays together by moritz
in thread sorting two arrays together by siskos1

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