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Building Modern CLI Applications in Go

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

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Product type Paperback
Published in Mar 2023
Publisher Packt
ISBN-13 9781804611654
Length 406 pages
Edition 1st Edition
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Author (1):
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Marian Montagnino Marian Montagnino
Author Profile Icon Marian Montagnino
Marian Montagnino
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Table of Contents (21) Chapters Close

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 20. Other Books You May Enjoy

Increasing information density with ASCII art

As the title of this section states, you can increase information density using ASCII art. For example, running the ls command shows file permissions in a way a user can easily scan with their eyes and understand with pattern recognition. Also, using a highlighter pen when studying in a textbook to literally highlight a sentence or group of words makes certain phrases jump out as more important. In this section, we’ll talk about some common uses for ASCII art to increase the understanding of the importance of shared information.

Displaying information with tables

Probably the clearest way that data can be displayed to users is in a table format. Just like the ls format, patterns can jump out more easily in a table format. Sometimes records can contain data that is longer than the width of the screen and lines become wrapped. This can break scripts that might be relying on one record per line.

Let’s take our audiofile...

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