X-Git-Url: http://git.shiar.nl/barcat.git/blobdiff_plain/d91b9999c3add998accda17038ce123d0d5a73c1..30fb51a784dd9314c6776f18b7189b197be12df3:/barcat

diff --git a/barcat b/barcat
index a7c67ee..268c993 100755
--- a/barcat
+++ b/barcat
@@ -6,7 +6,7 @@ use List::Util qw( min max sum );
 use open qw( :std :utf8 );
 use experimental qw( lexical_subs );
 
-our $VERSION = '1.05';
+our $VERSION = '1.06';
 
 use Getopt::Long '2.33', qw( :config gnu_getopt );
 my %opt;
@@ -42,6 +42,7 @@ GetOptions(\%opt,
 			" (range expected)\n"
 		);
 	},
+	'header!',
 	'markers|m=s',
 	'graph-format=s' => sub {
 		$opt{'graph-format'} = substr $_[1], 0, 1;
@@ -53,6 +54,10 @@ GetOptions(\%opt,
 	'signal-stat=s',
 	'unmodified|u!',
 	'width|w=i',
+	'version' => sub {
+		say "barcat version $VERSION";
+		exit;
+	},
 	'usage|h' => sub {
 		local $/;
 		my $pod = readline *DATA;
@@ -188,6 +193,8 @@ sub sival {
 	);
 }
 
+say sprintf '%*s-+%*s-+', $lenval, $minval, $size * ($maxval - $minval) - 3, $maxval if $opt{header};
+
 while ($nr <= $#lines) {
 	$nr >= $opt{hidemax} and last if defined $opt{hidemax};
 	my $val = $values[$nr];
@@ -290,6 +297,10 @@ A string can indicate the starting position of a value
 or capture the numbers itself,
 for example I<-f'(\d+)'> for the first digits anywhere.
 
+=item --header
+
+Prepend a chart axis with minimum and maximum values labeled.
+
 =item -H, --human-readable
 
 Format values using SI unit prefixes,
@@ -356,10 +367,17 @@ or 68% of all entries.
 
 =back
 
-=item --spark
+=item --spark[=<glyphs>]
 
 Replace lines by I<sparklines>,
 single characters corresponding to input values.
+A specified sequence of unicode characters will be used for
+Of a specified sequence of unicode characters,
+the first one will be used for non-values,
+the last one for the maximum,
+the second (if any) for the minimum,
+and any remaining will be distributed over the range of values.
+Unspecified, block fill glyphs U+2581-2588 will be used.
 
 =item -s, --stat