Build Awesome Command-Line Applications in Ruby: now in print
March 14, 2012
So have you installed tmux yet? While you’re in a command-line mood, check out how to write professional-level applications for the command line in Ruby. Here’s how to do it right.
Build Awesome Command-Line Applications in Ruby: Control Your Computer, Simplify Your Life
As Ruby pro David Copeland explains, writing a command-line application that is self-documenting, robust, adaptable, and forever useful is easier than you might think. Ruby is particularly suited to this task, since it combines high-level abstractions with “close to the metal” system interaction wrapped up in a concise, readable syntax. Moreover, Ruby has the support of a rich ecosystem of open-source tools and libraries.
Ten insightful chapters each explain and demonstrate a command-line best practice. You’ll see how to use these tools to elevate the lowliest automation script to a maintainable, polished application.
You’ll learn how to use free, open-source parsers to create user-friendly command-line interfaces as well as command suites. You’ll see how to use defaults to keep options simple for everyday users, while giving advanced users options for more complex tasks.
There’s no reason a command-line application should lack documentation, whether it’s part of a help command or a man page; you’ll find out when and how to use both. Your journey from command-line novice to pro ends with a look at valuable approaches to testing your apps, and includes some fun techniques for outside-the-box, colorful interfaces that will delight your users.
With Ruby, the command line is not dead. Long live the command line.
Now available from pragprog.com/book/dccar.
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