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