From 712176db7edaf3fbdfe5e629eb6226a8ff46e506 Mon Sep 17 00:00:00 2001
From: Mischa POSLAWSKY <perl@shiar.org>
Date: Thu, 5 Sep 2019 04:45:25 +0200
Subject: [PATCH] avoid drawing empty graph

---
 graph | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/graph b/graph
index 096586e..fc659e1 100755
--- a/graph
+++ b/graph
@@ -61,7 +61,7 @@ for my $nr (0 .. $#lines) {
 		print "\e[0m" if $color;
 	}
 	printf '%-*s', $len, $lines[$nr];
-	print $barmark[$_] // '-' for 1 .. (($val || 0) - $minval) * $size;
+	print $barmark[$_] // '-' for 1 .. $size && (($val || 0) - $minval) * $size;
 	say '';
 }
 
-- 
2.30.0