added

watchdog_test.py

@@ -0,0 +1,23 @@
+#!/usr/bin/python3
+import time
+from watchdog.observers import Observer
+from watchdog.events import FileSystemEventHandler
+
+
+class MyHandler(FileSystemEventHandler):
+    def on_modified(self, event):
+        print(f'event type: {event.event_type}  path : {event.src_path}')
+
+
+if __name__ == "__main__":
+    event_handler = MyHandler()
+    observer = Observer()
+    observer.schedule(event_handler, path='/usr/include', recursive=False)
+    observer.start()
+
+    try:
+        while True:
+            time.sleep(1)
+    except KeyboardInterrupt:
+        observer.stop()
+    observer.join()