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Go: Design Patterns for Real-World Projects by Mat Ryer, Mario Castro Contreras, Vladimir Vivien

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Chapter 4.  Command-Line Tools to Find Domain Names

The chat application we've built so far is ready to take the world by storm but not before we give it a home on the Internet. Before we invite our friends to join the conversation, we need to pick a valid, catchy, and available domain name, which we can point to the server running our Go code. Instead of sitting in front of our favorite domain name provider for hours on end trying different names, we are going to develop a few command-line tools that will help us find the right one. As we do so, we will see how the Go standard library allows us to interface with the terminal and other executing applications; we'll also explore some patterns and practices to build command-line programs.

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