$color1="#f3f3f3"; $color2="#a1a1a1"; $rowcolor = $alt_color++%2 ? $color1:$color2; #### { my $num = 0; use Interpolation 'rowcolor:->$' => sub { (++$color % 2) ? '#a1a1a1' : '#f3f3f3'} }; #### my $out = " $system_names[$c] $name_names[$c] $menu_names[$c] $option_names[$c] $system_names[$c] Received "; #### my $out = qq{ $names[$c]{system} $names[$c]{name} $names[$c]{menu} $names[$c]{option} $names[$c]{system} Received };