Or even better, fswatch (https://github.com/emcrisostomo/fswatch https://github.com/emcrisostomo/fswatch) which works on Linux, BSDs, macOS, Windows, and even S

Or even better, fswatch (https://github.com/emcrisostomo/fswatch https://github.com/emcrisostomo/fswatch) which works on Linux, BSDs, macOS, Windows, and even Solaris