By David B. Copeland
Speak on to your process. With its easy instructions, flags, and parameters, a well-formed command-line program is the fastest method to automate a backup, a construct, or a deployment and simplify your existence. With this e-book, you will research particular how you can write command-line purposes which are effortless to take advantage of, installation, and continue, utilizing a collection of transparent top practices and the Ruby programming language. This e-book is designed to make any programmer or process administrator extra efficient of their task. Now up to date for Ruby 2.
Writing a command-line software that is self-documenting, powerful, adaptable and ceaselessly invaluable is simpler than you could imagine. Ruby is very fitted to this activity, since it combines high-level abstractions with "close to the steel" procedure interplay wrapped up in a concise, readable syntax. Plus, Ruby has the aid of a wealthy environment of open resource instruments and libraries.
Ten insightful chapters each one clarify and reveal a command-line most sensible perform. you will see easy methods to use those instruments to raise the lowliest automation script to a maintainable, polished software. you are going to how you can use unfastened, open resource parsers to create straight forward command-line interfaces in addition to command suites. you will see how you can use defaults to maintain innovations basic for daily clients, whereas giving complex clients thoughts for extra complicated initiatives. there is no it's because a command-line program should still lack documentation, no matter if it truly is a part of a support command or a guy web page; you will find out whilst and the way to take advantage of either. Your trip from command-line beginner to seasoned ends with a glance at precious ways to checking out your apps, and contains a few enjoyable suggestions for outside-the-box, colourful interfaces that would satisfaction your users.
With Ruby, the command line isn't really useless. lengthy dwell the command line.
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