watchexec.md

title	updated	category	weight	keywords	intro
Watchexec	2017-10-18	CLI	-1	watchexec --excts js,jsx -- npm test watchexec --help	[mattgreen/watchexec](https://github.com/mattgreen/watchexec) runs commands whenever certain files change.

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

• mattgreen/watchexec (github.com)