From 4257d52ff7065fdc0aa3efefb71d9ece477dde49 Mon Sep 17 00:00:00 2001
From: Tomas Mudrunka <tomas.mudrunka@gmail.com>
Date: Wed, 3 Jan 2024 18:02:09 +0100
Subject: [PATCH] Fix

---
 bash/serial_loopback_test.sh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/bash/serial_loopback_test.sh b/bash/serial_loopback_test.sh
index f160b2d..83c2840 100755
--- a/bash/serial_loopback_test.sh
+++ b/bash/serial_loopback_test.sh
@@ -1,5 +1,6 @@
 #!/bin/sh
-#Serial line tester, should work in busybox ash
+#Serial line tester v0.3
+#Tested in busybox ash
 #(c) Tomas Mudrunka 2022-2024
 
 trylimit=0
@@ -54,9 +55,8 @@ while true; do
 	unset line
 	read -rst 1 -u 6 line
 	#echo "LINE: $line"
-	[ "$line" != "$testdata" ] && {
+	[ "$line" != "$testdata" ] && errcnt=$((errcnt+1)) &&
 		echo -e "$(date +'%D %T')\t$errcnt\tError receiving data $port_tx -> $port_rx"
-	} && errcnt=$((errcnt+1))
 	trycnt=$((trycnt+1))
 	#echo "try $trycnt err $errcnt lim $trylimit"
 	[ $trylimit -gt 0 -a $trycnt -gt $trylimit ] && break
-- 
2.30.2