reflex

Tool to watch a directory and rerun a command when certain files change.

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• Rebuild with make if any file changes:

reflex make

• Compile and run Go application if any .go file changes:

reflex --regex='{\.go$}' {go run .}

• Ignore a directory when watching for changes:

reflex --inverse-regex='{^dir/}' {command}

• Run command when reflex starts and restarts on file changes:

reflex --start-service=true {command}

• Substitute the filename that changed in:

reflex -- echo {}

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