added stop feature in alert.sh

2020-05-12 09:09:01 +02:00
parent 812e2f747e
commit 7c4a04663f
1 changed files with 21 additions and 5 deletions
--- a/alert.sh
+++ b/alert.sh
@ -1,6 +1,22 @@
 #!/bin/bash
-while :
-do
-	echo -ne 'FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF' > /dev/ttyUSB0
-	sleep 1
-done
+ if [ "$#" -eq  "0" ]
+   then
+    pid=$(pgrep -f alert.sh)
+    kill $pid
+ else
+     while :
+        do
+            echo -ne 'FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF' > /dev/ttyUSB0
+            sleep 1
+        done
+ fi
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