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1898fee)
Include integers less than zero; treat as positive for bar sizes.
my @lines = readline or exit;
chomp for @lines;
my @lines = readline or exit;
chomp for @lines;
-my @values = map { s/^\h*([0-9]*)// and $1 } @lines;
+my @values = map { s/^\h*(-?[0-9]*)// and $1 } @lines;
my @order = sort { $b <=> $a } @values;
my @order = sort { $b <=> $a } @values;
-my $lenval = 1 + int log($order[0]) / log 10; # max string length
+my $maxval = max $order[0], -$order[-1];
+my $lenval = 1 + ($order[-1] < 0) + int log($maxval || 1) / log 10; # max string length
my $len = 1 + max map { length } @lines; # left padding
my $len = 1 + max map { length } @lines; # left padding
-my $size = ($opt{width} - $lenval - $len) / $order[0]; # bar multiplication
+my $size = ($opt{width} - $lenval - $len) / $maxval; # bar multiplication
sub orderpos { ($order[$_[0]] + $order[$_[0] + .5]) / 2 * $size }
my @barmark;
sub orderpos { ($order[$_[0]] + $order[$_[0] + .5]) / 2 * $size }
my @barmark;
printf "%*s", $lenval, $val;
print "\e[0m" if $color;
printf '%-*s', $len, $lines[$nr];
printf "%*s", $lenval, $val;
print "\e[0m" if $color;
printf '%-*s', $len, $lines[$nr];
- print $barmark[$_] // '-' for 1 .. $val * $size;
+ print $barmark[$_] // '-' for 1 .. abs $val * $size;