Installation

OSX

brew install watchexec

Rust

cargo install watchexec

For Linux and Windows, get it from GitHub releases.

Getting started

watchexec --exts js,jsx -- npm test

Runs npm test when js,jsx files change.

watchman -w lib -w test -- npm test

Runs npm test when lib/ and test/ files change.

Other options

Flags

-c --clear Clear screen
-r --restart Restart process if its still running

Options

-s --signal SIGKILL Kill signal to use
-d --debounce MS Debounce by MS milliseconds
-e --exts EXTS Extensions
-i --ignore PATTERN Ignore these files
-w --watch PATH Watch these directories

Also see