====== fswatch ======
  * [[https://github.com/emcrisostomo/fswatch|emcrisostomo/fswatch: A cross-platform file change monitor with multiple backends: Apple OS X File System Events, *BSD kqueue, Solaris/Illumos File Events Notification, Linux inotify, Microsoft Windows and a stat()-based backend.]]
  * 파일 변경사항 검사해서 작업 수행
  * see [[linux:inotify_tools|inotify-tools]]
  * see [[linux:entr|entr]]