From b0d6f88a7fbd1e478b0b1892c5832229a99e252f Mon Sep 17 00:00:00 2001
From: Mischa POSLAWSKY <perl@shiar.org>
Date: Tue, 15 Oct 2019 01:06:59 +0200
Subject: [PATCH] optional width of sparkline lines

Output newlines after specified number of records.
Keep current single line by default.
---
 barcat | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/barcat b/barcat
index 424bec2..3bc7ca0 100755
--- a/barcat
+++ b/barcat
@@ -101,7 +101,7 @@ GetOptions(\%opt,
 	},
 ) or exit 64;  # EX_USAGE
 
-$opt{width} ||= $ENV{COLUMNS} || qx(tput cols) || 80;
+$opt{width} ||= $ENV{COLUMNS} || qx(tput cols) || 80 unless $opt{spark};
 $opt{color} //= -t *STDOUT;  # enable on tty
 $opt{'graph-format'} //= '-';
 $opt{trim}   *= $opt{width} / 100 if $opt{trimpct};
@@ -154,6 +154,10 @@ while (defined ($_ = $opt{input} ? shift @{ $opt{input} } : readline)) {
 		and $. % $opt{interval} == 0;
 }
 
+if ($opt{'zero-missing'}) {
+	push @values, (0) x 10;
+}
+
 $SIG{INT} = 'DEFAULT';
 
 sub color {
@@ -243,6 +247,7 @@ while ($nr <= $#lines) {
 		$opt{palette}->[ $rel * ($#{$opt{palette}} - 1) + 1 ];
 
 	if ($opt{spark}) {
+		say '' if $opt{width} and $nr and $nr % $opt{width} == 0;
 		print color($color), $opt{spark}->[
 			!$val ? 0 : # blank
 			$val == $order[0] ? -1 : # max
-- 
2.30.0