In the preceding chapter, we built a solid base for our command-line tool. We loaded our first command, and the whole program is executable on the command line. We will now focus on usability and accessibility. We will look at how to improve error handling and provide our users with a guiding hand, even if the program crashes. With JSON support and shorthand, we’ll bring a smile to the faces of our power users. We’ll also create different formats for our documentation. Before our first production release, we’ll add a flexible system for managing configuration.
Error Handling
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