entr

Run arbitrary commands when files change

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Miscellaneous C

entr is a utility for running arbitrary commands when files change. It reads a list of file paths from stdin and runs the given command when any change.

Install

brew brew install entr
apt apt install entr

Demos

ls *.py | entr pytest — run tests when files change
▶ GIF

ls *.py | entr pytest — run tests when files change

@agentgif

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