Build Awesome Command-Line Applications in Ruby 2

Other Relevant Libraries

As we mentioned, the tools we saw here are just a small part of the libraries available for writing command-line apps in Ruby. In this section, we’ll list some more that we don’t have space to delve into but that are still worth checking out.

Command-Line Parsers

We’ve seen a few command-line parsers already, but there are many more you can use. Many of these are similar to the tools we’ve seen, but they all have their own individual style and features, so if none of what we’ve seen really grabs you, please check these out:

choice (https://github.com/defunkt/choice)

choice is a command-line parser for simple command-line apps that has a syntax similar to main. It provides typecasting, validation, automatic documentation, ...