4 use List::Util qw( max );
6 my $width = $ENV{COLUMNS} || 80;
10 my @values = map { s/^\h*([0-9]*)// and $1 } @lines;
11 my @order = sort { $b <=> $a } @values;
12 my $lenval = 1 + int log($order[0]) / log 10; # max string length
13 my $len = 1 + max map { length } @lines; # left padding
14 my $size = ($width - $lenval - $len) / $order[0]; # bar multiplication
16 for my $nr (0 .. $#lines) {
17 my $val = $values[$nr];
19 $val == $order[0] ? 32 : # max
20 $val == $order[-1] ? 31 : # min
22 printf "\e[%sm", $color if $color;
23 printf "%*s", $lenval, $val;
24 print "\e[0m" if $color;
25 printf '%-*s', $len, $lines[$nr];
26 say '-' x ($val * $size);