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
15 my $mean = ($order[$#order / 2] + $order[$#order / 2 + .5]) / 2;
17 for my $nr (0 .. $#lines) {
18 my $val = $values[$nr];
20 $val == $order[0] ? 32 : # max
21 $val == $order[-1] ? 31 : # min
23 printf "\e[%sm", $color if $color;
24 printf "%*s", $lenval, $val;
25 print "\e[0m" if $color;
26 printf '%-*s', $len, $lines[$nr];
27 my $bar = '-' x ($val * $size);
28 substr $bar, int($mean * $size) - 1, 1, "\e[36m+\e[0m" if $val >= $mean;