I've written this tool to test example code in markdown documents using user-specified shell commands: https://github.com/anko/txm https://github.com/anko/txm I

I've written this tool to test example code in markdown documents using user-specified shell commands: https://github.com/anko/txm https://github.com/anko/txm I have had great success using it in my own projects, so perhaps others might find it useful too.