X-Git-Url: http://git.harvie.cz/?p=mirrors%2FPrograms.git;a=blobdiff_plain;f=bash%2Fserial_loopback_test.sh;fp=bash%2Fserial_loopback_test.sh;h=e9ab56910e09f877d632fb4931f54f179bc4bb60;hp=0b16fe7fa690ee93261288543a64b6f16c6f3455;hb=926881f96a4de6c87b4f8325a9d6b22156b6aecc;hpb=c30e1c36c353480676a1f03abdbfb8344a7ae9f1

diff --git a/bash/serial_loopback_test.sh b/bash/serial_loopback_test.sh
index 0b16fe7..e9ab569 100755
--- a/bash/serial_loopback_test.sh
+++ b/bash/serial_loopback_test.sh
@@ -7,8 +7,8 @@
 
 function serial_loopback_test() {
 
-unset port_tx
-unset port_rx
+port_tx=
+port_rx=
 trylimit=0
 seconds=0
 baudrate=115200