Build Awesome Command-Line Applications in Ruby 2

Appendix 1Common Command-Line Gems and Libraries

To keep things simple, we’ve used only a handful of tools to demonstrate the principles presented in this book. We chose OptionParser because it’s a standard library available with Ruby, and we used GLI because of the ease with which we can add the necessary features of a command suite.

Since Ruby allows such a wide variety in programming style, it should be no surprise that there are many different libraries for writing command-line apps, each with its own unique style. We’ll go over a few popular libraries that exhibit different styles of writing a command-line app. You might find some of them more suited to the way you prefer to work, but the goal is always the same: to make awesome command-line ...