Cobra Mascot Cobra

Examples

Examples

Learn Cobra through complete, real-world examples. Each example is a fully functional CLI application that demonstrates different aspects of Cobra’s capabilities.

What You’ll Find Here

These examples bridge the gap between basic tutorials and advanced guides by showing you complete applications in action. Each example includes:

  • Complete source code with detailed explanations
  • Build and test instructions so you can run the examples yourself
  • Key learning points highlighting the Cobra features demonstrated
  • Next steps connecting you to relevant documentation

Available Examples

Text Formatter CLI

Level: Beginner | Features: Basic commands, flags, arguments

A simple text formatting tool that demonstrates Cobra’s core concepts. Perfect for understanding command structure, flag handling, and input processing.

Task Manager CLI

Level: Intermediate | Features: Subcommands, persistence, configuration

A personal task management application showcasing advanced Cobra features like command hierarchies, data persistence, and configuration management.

API Inspector CLI

Level: Advanced | Features: JSON output, HTTP requests, piping

A modern development tool for inspecting APIs that highlights contemporary CLI patterns including structured output, external integrations, and configuration files.

Prerequisites

All examples assume you have:

  • Go 1.19 or later installed
  • Basic familiarity with Go programming
  • Command line experience

Getting the Most from Examples

  1. Start with your skill level - Each example is marked with a difficulty level
  2. Run the code - Don’t just read; build and test each example
  3. Explore variations - Try modifying the examples to see how they behave
  4. Connect to guides - Use the cross-references to dive deeper into specific topics

Ready to explore? Pick an example that matches your experience level and start building!

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