View difference between Paste ID: DHb2JhqH and 9hkbU3Mf

 #!/bin/sh
 
 FILE_TO_WATCH="/tmp/ndnproxymain.conf"
-PREVIOUS_HASH=""
+HASH_FILE="/var/run/ipset_watcher.hash"
 
 # Commands to execute when the file changes
 COMMANDS_ON_CHANGE="
     ipset flush bypass
-    /opt/etc/init.d/S52ipset-dns restart
+
 
 # Function to calculate MD5 hash of the file
 calculate_md5() {
     md5sum "$FILE_TO_WATCH" | awk '{ print $1 }'
 }
 
 # Function to execute commands when the file changes
 on_file_change() {
     eval "$COMMANDS_ON_CHANGE"
 }
 
 # Function to start the script
 start() {
     # Load previous hash from file if it exists
-    echo "Starting ipset watcher..."
+    if [ -f "$HASH_FILE" ]; then
-    PREVIOUS_HASH=$(calculate_md5)
+        PREVIOUS_HASH=$(cat "$HASH_FILE")
-    inotifywait -q -m -e close_write "$FILE_TO_WATCH" | while read _; do
+    else
         PREVIOUS_HASH=$(calculate_md5)
         echo "$PREVIOUS_HASH" > "$HASH_FILE"
     fi
 
     # Monitor the file for changes
     inotifywait -q -m -e modify,attrib,close_write "$FILE_TO_WATCH" | while read; do
         CURRENT_HASH=$(calculate_md5)
         if [ "$CURRENT_HASH" != "$PREVIOUS_HASH" ]; then
             PREVIOUS_HASH="$CURRENT_HASH"
             echo "$PREVIOUS_HASH" > "$HASH_FILE"
             on_file_change
-    echo "Stopping ipset watcher..."
+
-    kill $(cat /var/run/ipset_watcher.pid)
+
-    rm /var/run/ipset_watcher.pid
+
 }
 
 # Function to stop the script
 
 stop() {
     if [ -f /var/run/ipset_watcher.pid ]; then
         PID=$(cat /var/run/ipset_watcher.pid)
         kill "$PID"
         sleep 1
         if ps -p "$PID" > /dev/null; then
             echo "Process $PID still running, sending SIGKILL"
             kill -9 "$PID"
         fi
         rm /var/run/ipset_watcher.pid
-        echo "Usage: $0 {start|stop|restart}"
+    else
     # Use killall as a fallback
     killall inotifywait
     fi
 }
 
 # Function to check the status of the script
 status() {
     if [ -f /var/run/ipset_watcher.pid ]; then
         PID=$(cat /var/run/ipset_watcher.pid)
 
         # Check if the PID is in the ps output
         if ps | grep -w "$PID" | grep -v grep > /dev/null; then
             echo "Monitoring process is running (PID: $PID)."
         else
             echo "Monitoring process not running, but PID file exists."
         fi
     else
         echo "Monitoring process is not running."
     fi
 }
 
 case "$1" in
     start)
         start
         ;;
     stop)
         stop
         ;;
     restart)
         stop
         start
         ;;
     status)
         status
         ;;
     *)
         echo "Usage: $0 {start|stop|restart|status}"
         exit 1
         ;;
 esac
 
 exit 0