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)