From c532fdb55166a4bae8abd37b55cb50d53bfcaf31 Mon Sep 17 00:00:00 2001
From: Sebastian Pipping <sebastian@pipping.org>
Date: Mon, 17 Oct 2011 23:16:57 +0200
Subject: [PATCH] client-barcode: No longer print empty barcode on LCD display

---
 client-barcode/freitagskasse.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/client-barcode/freitagskasse.py b/client-barcode/freitagskasse.py
index 40c38bf..3f67de2 100644
--- a/client-barcode/freitagskasse.py
+++ b/client-barcode/freitagskasse.py
@@ -579,8 +579,8 @@ def main():
 		if not l:
 			break
 		line = l.rstrip()
-		print_display('\x0cBarcode:\n%20s' % line[:20])
 		if line:
+			print_display('\x0cBarcode:\n%20s' % line[:20])
 			handle(line, status)