Guard [1] is a great tool in the ruby world for rerunning tests, reloading your browser, or running any arbitrary task based on files changing inside your file

Guard [1] is a great tool in the ruby world for rerunning tests, reloading your browser, or running any arbitrary task based on files changing inside your file system. Its built on top of Listen [2] to do the fs piece, which has pretty well supported at least across linux and mac os over the years. [1] - https://github.com/guard/guard https://github.com/guard/guard [2] - https://github.com/guard/listen https://github.com/guard/listen