X-Git-Url: http://git.shiar.nl/barcat.git/blobdiff_plain/6feb4b288f8fa9711ee580fe65562abef976a842..4644846ee87e7e9eaa30ec40d679d0e02afd8d14:/graph

diff --git a/graph b/graph
index 14b7173..ab51d08 100755
--- a/graph
+++ b/graph
@@ -8,7 +8,10 @@ use open qw( :std :utf8 );
 our $VERSION = '1.02';
 
 use Getopt::Long '2.33', qw( :config gnu_getopt );
-sub podexit { require Pod::Usage; Pod::Usage::pod2usage(-exitval => 0, @_) }
+sub podexit {
+	require Pod::Usage;
+	Pod::Usage::pod2usage(-exitval => 0, -perldocopt => '-oman', @_);
+}
 GetOptions(\my %opt,
 	'color|c!',
 	'follow|f:i',
@@ -31,6 +34,8 @@ if (defined $opt{follow}) {
 	alarm $opt{follow};
 }
 
+$SIG{INT} = 'IGNORE';  # continue after assumed eof
+
 my (@lines, @values);
 while (readline) {
 	chomp;
@@ -48,8 +53,12 @@ while (readline) {
 }
 @lines or exit;
 
+$SIG{INT} = 'DEFAULT';
+
 sub show_lines {
 
+state $nr = 0;
+
 my @order  = sort { $b <=> $a } grep { length } @values;
 my $maxval = $order[0];
 my $minval = min $order[-1], 0;
@@ -68,9 +77,21 @@ if ($opt{markers} // 1 and $size > 0) {
 	$barmark[ orderpos($#order / 2) ] = '+';  # mean
 	$barmark[ -$minval * $size ] = '|' if $minval < 0;  # zero
 	defined and $opt{color} and $_ = "\e[36m$_\e[0m" for @barmark;
+
+	state $lastmax = $maxval;
+	if ($maxval > $lastmax) {
+		print ' ' x ($lenval + $len);
+		printf "\e[90m" if $opt{color};
+		printf '%-*s',
+			($lastmax - $minval) * $size + .5,
+			'-' x (($values[$nr - 1] - $minval) * $size);
+		print "\e[92m" if $opt{color};
+		say '+' x (($maxval - $lastmax - $minval) * $size + .5);
+		print "\e[0m" if $opt{color};
+		$lastmax = $maxval;
+	}
 }
 
-state $nr = 0;
 while ($nr <= $#lines) {
 	my $val = $values[$nr];
 	if (length $val) {