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entr for Mac

Run arbitrary commands when files change

Quick answer: entr is a command-line tool for macOS. Install it with brew install entr. It is distributed under the ISC licence. It has 1,565 Homebrew installs in the last 30 days.

What entr is

entr is a command-line tool for macOS: run arbitrary commands when files change.

It is distributed as a Homebrew formula, which builds or pours a binary and puts it on your PATH. It is distributed under the ISC licence.

How to install entr

  1. Open Terminal (press ⌘ + Space and type “Terminal”).
  2. If Homebrew is not installed yet, run the installer below once.
  3. Run brew install entr.

Homebrew installer, if you need it:

Prefer a graphical installer? Download it from the official site. MacPicks never hosts or mirrors binaries — the Homebrew command always pulls from the vendor's own release.

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Frequently asked questions

How do I install entr on Mac?

Run brew install entr in Terminal. This requires Homebrew; if you do not have it, install it first with the command below.

Is entr open source?

Yes — Homebrew distributes it under the ISC licence.

Does entr run on Apple silicon?

Homebrew publishes this formula for macOS. If upstream does not ship an Apple silicon build, Rosetta 2 handles the Intel binary.

How popular is entr?

It was installed 1,565 times in the last 30 days according to Homebrew analytics, ranking #774 in this catalogue.

What version of entr is current?

The latest packaged version is 5.9.