## fs.watchFile(filename, [options], listener)
- Stability: 2 - Unstable. Use fs.watch instead, if available.
+ Stability: 2 - Unstable. Use fs.watch instead, if available.
Watch for changes on `filename`. The callback `listener` will be called each
time the file is accessed.
## fs.unwatchFile(filename)
- Stability: 2 - Unstable. Use fs.watch instead, if available.
+ Stability: 2 - Unstable. Use fs.watch instead, if available.
Stop watching for changes on `filename`.
## fs.watch(filename, [options], listener)
- Stability: 2 - Unstable. Not available on all platforms.
+ Stability: 2 - Unstable. Not available on all platforms.
Watch for changes on `filename`, where `filename` is either a file or a
directory. The returned object is a [fs.FSWatcher](#fs_class_fs_fswatcher).