This is the out-of-the-box way to watch files you have been looking for in Racket.

Use this to understand I/O behavior in a system and to increase iteration speed for local development.

• Documentation on racket-lang.org
• raco test *.rkt to run tests
• raco setup -l file-watchers to build the package and documentation.
• raco file-watchers -h for CLI use

• @zyrolasting: Initial implementation
• @dstorrs: Added #:batch? option to robust-watch