Is this acceptable?
my $all_val = [];
for my $aref (@$array_ref_x) {
    my $i = 0;
    for my $row (@$aref) {
    
        $all_val->[$i] = '' unless defined $all_val->[$i];  # for use 
+strict
        # Check if numeric
        if ($all_val->[$i] =~ /^-?\d/){
        $all_val->[$i] = $row if $row > $all_val->[$i];
        }else{
        $all_val->[$i] = $row if $row gt $all_val->[$i];
        }
        
        $i++;

    }

}




print Dumper $all_val;

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In reply to Re^5: Keeping Unique Elements in Array! by Anonymous Monk
in thread Keeping Unique Elements in Array! by Anonymous Monk

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