You're reading from Building Modern CLI Applications in Go Develop next-level CLIs to improve user experience, increase platform usage, and maximize production

Product type Paperback

Published in Mar 2023

Publisher Packt

ISBN-13 9781804611654

Length 406 pages

Edition 1st Edition

Languages

Tools

Linux

Concepts

Application Development

Author (1):

Marian Montagnino

View More author details

Table of Contents (21) Chapters

Preface

1. Part 1: Getting Started with a Solid Foundation

2. Chapter 1: Understanding CLI Standards FREE CHAPTER

3. Chapter 2: Structuring Go Code for CLI Applications

4. Chapter 3: Building an Audio Metadata CLI

5. Chapter 4: Popular Frameworks for Building CLIs

6. Part 2: The Ins and Outs of a CLI

7. Chapter 5: Defining the Command-Line Process

8. Chapter 6: Calling External Processes and Handling Errors and Timeouts

9. Chapter 7: Developing for Different Platforms

10. Part 3: Interactivity and Empathic Driven Design

11. Chapter 8: Building for Humans versus Machines

12. Chapter 9: The Empathic Side of Development

13. Chapter 10: Interactivity with Prompts and Terminal Dashboards

14. Part 4: Building and Distributing for Different Platforms

15. Chapter 11: Custom Builds and Testing CLI Commands

16. Chapter 12: Cross-Compilation across Different Platforms

17. Chapter 13: Using Containers for Distribution

18. Chapter 14: Publishing Your Go Binary as a Homebrew Formula with GoReleaser

19. Index

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Providing debug and traceback information

Debug and traceback information is mostly useful for you or other developers, but it can also help your end users share valuable information with you to help debug a potential issue found in your code. There are several diverse ways to provide this information. Debug and traceback information is primarily output to a log file, and often, the addition of a verbose flag will print this output, which is usually hidden.

Logging data

Since debug data is usually found in log files, let us discuss how to include logging in your command-line application and determine the levels associated with logging—info, error, and debug levels of severity. In this example, let us use a simple log package to demonstrate this example. There are several different popular structured log packages, including the following: