inotify-wait: add page (#2676)

pages/linux/inotify-wait.md

@@ -0,0 +1,27 @@
+# inotifywait
+
+> Waits for changes to one or more files.
+
+- Run a command when a file changes:
+
+`while inotifywait {{path/to/file}}; do {{command}}; done`
+
+- Be quiet about watching for changes:
+
+`while inotifywait --quiet {{path/to/file}}; do {{command}}; done`
+
+- Watch a directory recursively for changes:
+
+`while inotifywait --recursive {{path/to/directory}}; do {{command}}; done`
+
+- Exclude files matching a regular expression:
+
+`while inotifywait --recursive {{path/to/directory}} --exlude '{{regex}}'; do {{command}}; done`
+
+- Wait at most 30 seconds:
+
+`while inotifywait --timeout {{30}} {{path/to/file}}; do {{command}}; done`
+
+- Only watch for file modification events:
+
+`while inotifywait --event {{modify}} {{path/to/file}}; do {{command}}; done`