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Home > Computing and Information Technology > Computer programming / software engineering > Programming and scripting languages: general > Command-Line Ruby: Crafting Powerful CLI Tools: Building User-Friendly Terminal Applications with Thor, Optparse, and TTY
Command-Line Ruby: Crafting Powerful CLI Tools: Building User-Friendly Terminal Applications with Thor, Optparse, and TTY

Command-Line Ruby: Crafting Powerful CLI Tools: Building User-Friendly Terminal Applications with Thor, Optparse, and TTY


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About the Book

✅ Master Command-Line Interface Fundamentals: Understand what CLI tools are, their purpose, and how to execute basic Ruby scripts from the terminal, including managing arguments and standard I/O.✅ Efficiently Parse Arguments and Options: Learn to manually handle command-line arguments and flags, and then advance to using Ruby's Optparse library for standardized, robust, and user-friendly option parsing, including automatic type conversion and help message generation. ✅ Manage Application Configuration: Discover how to effectively utilize environment variables for configuration and understand the precedence rules when combining them with command-line arguments. ✅ Build Structured CLI Applications with Thor: Gain expertise in using Thor to create organized and maintainable CLI applications with defined tasks, arguments, options, and namespaces, simplifying complex command structures. ✅ Enhance User Experience with the TTY Toolkit: Integrate various TTY gems to develop interactive and visually appealing CLI tools, including styling output with colors, handling interactive prompts, displaying data in tables, and showing progress indicators. ✅ Interact Robustly with the System: Learn to execute external shell commands, manage file system operations, and handle application-specific logging with the help of TTY utilities. ✅ Implement Comprehensive Testing Strategies: Acquire the skills to test your CLI tools thoroughly, covering unit, integration, and end-to-end testing, including mocking interactions and verifying output. ✅ Handle Errors and Debug Effectively: Understand how to gracefully manage exceptions, set appropriate exit status codes, implement logging for debugging, and use Ruby's debugging tools. ✅ Package and Distribute Your CLI Tools as Gems: Learn the complete process of preparing your Ruby CLI application for distribution by creating a gem, managing dependencies with Bundler, and publishing it to RubyGems.org. ✅ Design User-Friendly CLI Experiences: Grasp the principles of good CLI design, focusing on discoverability, consistency, clear feedback, and adaptable interactive/non-interactive modes. ✅ Integrate and Leverage Key Libraries: Understand when and how to combine Optparse, Thor, and the TTY Toolkit to build powerful, maintainable, and user-friendly command-line applications. ✅ Create Standalone Executables (Optional): Explore methods to package your Ruby CLI applications into standalone executables for easier distribution to users without a Ruby environment.


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Product Details
  • ISBN-13: 9798292588863
  • Publisher: Independently Published
  • Publisher Imprint: Independently Published
  • Height: 279 mm
  • No of Pages: 508
  • Returnable: N
  • Sub Title: Crafting Powerful CLI Tools: Building User-Friendly Terminal Applications with Thor, Optparse, and TTY
  • Width: 216 mm
  • ISBN-10: 8292588868
  • Publisher Date: 15 Jul 2025
  • Binding: Paperback
  • Language: English
  • Returnable: N
  • Spine Width: 26 mm
  • Weight: 1214 gr


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Command-Line Ruby: Crafting Powerful CLI Tools: Building User-Friendly Terminal Applications with Thor, Optparse, and TTY
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