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negative value support
[barcat.git]
/
graph
diff --git
a/graph
b/graph
index ad1225b21241ae4e30819a4ccc007620179f904b..01f68463e0c8779f8d974b8d0dfe679673da9444 100755
(executable)
--- a/
graph
+++ b/
graph
@@
-19,11
+19,12
@@
$opt{color} //= 1;
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;
@@
-41,7
+42,7
@@
for my $nr (0 .. $#lines) {
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;
say '';
}
say '';
}