docopt—language for description of command-line interfacesCommand-line interface description language docopt helps you: define the interface for your command-line app, and automatically generate a parser for it. docopt is based on conventions that have been used for decades in help messages and man pages for describing a program's interface. An interface description in docopt is such a help message, but formalized. Here is an example: Naval Fate. Usage:
GitHub - ddopson/underscore-cli: Command-line utility-belt for hacking JSON and Javascript.
