[flobosg]

See also:

* entr(1) - http://eradman.com/entrproject/

* Watchexec - https://watchexec.github.io/

[keroro]

There's also modd[0] which allows for many file watch pattern -> command combos to easily be defined & run simultaneously from a modd.conf file.

[0]https://github.com/cortesi/modd