From fe91d61a1683b8b3f0917bd432c26e8a051e4c0d Mon Sep 17 00:00:00 2001
From: hb9dum <jurgen.eitle@gmx.ch>
Date: Mon, 10 Jan 2022 00:05:04 +0200
Subject: [PATCH] IC2ACTIVE=$(ls /dev/*i2c*)->IC2ACTIVE=$(ls /dev/i2c-1)

If IC2ACTIVE=$(ls /dev/*i2c*)  is used the subsequent if statement if [ $IC2ACTIVE = "/dev/i2c-1" ] will be false if more than one i2c devices exists even if one of them is i2c-1
e. g. if the following devices exist /dev/i2c-1  /dev/i2c-20  /dev/i2c-21
the test will fail when it should succeed
---
 rtc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rtc b/rtc
index 3325687..15089c8 100644
--- a/rtc
+++ b/rtc
@@ -7,7 +7,7 @@
 
 clear;echo;echo
 
-IC2ACTIVE=$(ls /dev/*i2c*)
+IC2ACTIVE=$(ls /dev/i2c-1)
 
 if [ $IC2ACTIVE = "/dev/i2c-1" ]
 then