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A tool to run a command when a directory changes.
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fsw Travis CI

fsw is a tool for recursively watching the current working directory and running a command when its contents change.

It's integrated with Git, so it won't rerun the command if an ignored file changes.

Why? Well, I quite like the workflow that sbt's tilde (~) operator provides, and I wanted a reliable mechanism to do the same thing with other tools.


You can find static binaries for Linux and macOS on the Github Releases page.

Alternatively, you can use cargo to install the tool on any platform that Rust supports.

cargo install fsw


fsw <command> [<arg>]...


0.1.1 - 2019-03-26

  • Rework design to not watch ignored directories, improving reliability and resource utilization
  • Reduce debouncing period to 125ms
  • Mark fsw output with "fsw:"
  • Bump notify and transitive dependencies

0.1.0 - 2019-02-26

  • Initial release.
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