AOU:optimisation du code (while : , let i++ et message d'info)

btn_track.sh

@@ -16,25 +16,22 @@ mpc play
 printf "MPC started"
 
 i=0
-echo "Loop"
+echo "Loop check push"
-while true
+while :
 do
-        echo "Until"
     until /bin/grep 1 /sys/class/gpio/gpio$GPIO_ID/value >> /dev/null
     do
         /bin/sleep .1
     done
-        echo "End until"
+
-        i=$((i+1))
+    let i++
     if [ $i -ge 30 ]
         then
-
+        printf "Shutdown by button"
         sudo systemctl poweroff
-                echo "Shutdown..."
         break
     fi
 
     echo "Next Track"
-        /usr/bin/mpc next
+    mpc next
 done
-echo "End loop"