use List::Util qw(reduce); use strict; use warnings; my @array1 = (1,2,3,4,8); my @array2 = (1,4,2,4,5); my @array3 = (1,6,1,7,5); for my $array (\@array1, \@array2, \@array3) { my $max_pos = reduce {$array->[$b] > $array->[$a] ? $b : $a} keys @$array; print "Max is $array->[$max_pos] at position $max_pos\n"; } =prints Max is 8 at position 4 Max is 5 at position 4 Max is 7 at position 3 =cut