made VPN continuous

bin/vpn_status.sh

@@ -12,14 +12,17 @@ if ! command -v mullvad &>/dev/null ; then
     exit 1
 fi
 
-# getting vpn status
-VPN_DISCONNECTED=$(mullvad status | grep Disconnected)
+# reading vpn status as continous output
+while read VPN_STATUS; do
+
+    VPN_DISCONNECTED=$(echo "$VPN_STATUS" | grep Disconnect);
 
     if [[ -n "$VPN_DISCONNECTED" ]] ; then
         # vpn is disconnected
         echo "$DISCONNECTED"
-    exit 0
+        continue
     fi
 
     # connected
     echo "$CONNECTED"
+done < <(mullvad status listen)

gui/polybar/config.ini

@@ -307,7 +307,7 @@ exec = printf "%s %s\n" `echo -e '\ueb29'`  `pacman -Qu | wc -l`
 ; custom vpn script
 type = custom/script
 exec = vpn_status.sh
-interval = 30
+tail = true
 
 [settings]
 screenchange-reload = true