May 26, 2018

Cross-platform file change monitor

fswatch is a file change monitor that receives notifications when the contents of the specified files or directories are modified. fswatch implements four kinds of monitors

  • A monitor based on the File System Events API of Apple OS X.
  • A monitor based on kqueue, an event notification interface introduced in FreeBSD 4.1 and supported on most *BSD systems including OS X.
  • A monitor based on inotify, a Linux kernel subsystem that reports file system changes to applications.
  • A monitor which periodically stats the file system, saves file modification times in memory and manually calculates file system changes, which can work on any operating system where stat 2 can be used.

fswatch should build and work correctly on any system shipping either of the aforementioned APIs.

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