A utility for running arbitrary commands when files change. Uses
kqueue(2) or inotify(7) to avoid polling. entr was
written to make rapid feedback and automated testing natural and completely
ordinary.
./configure
make test
make install
To see available build options run ./configure -h
brew install entr
Available in OpenBSD ports, FreeBSD ports, and pkgsrc under sysutils/entr.
apt-get install entr
Rebuild a project if source files change, limiting output to the first 20 lines:
$ find src/ | entr sh -c 'make | head -n 20'
Launch and auto-reload a node.js server:
$ ls *.js | entr -r node app.js
Clear the screen and run a query after the SQL script is updated:
$ echo my.sql | entr -p psql -f /_
Rebuild project if a source file is modified or added to the src/ directory:
$ while sleep 1; do ls src/*.rb | entr -d rake; done
A release history as well as features in the upcoming release are covered in the NEWS file.
Source is under and ISC-style license. See the LICENSE file for more detailed information on the license used for compatibility libraries.