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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

Implementing a terminal dashboard

When creating a terminal dashboard, you can create it as a separate standalone application or as a command that is called from the command-line application. In our specific example for the player terminal dashboard, we are going to call the dashboard when the ./bin/audiofile player command is called.

First, from the audio file’s root repository, we’ll need to use cobra-cli to create the command:

cobra-cli add player
Player created at /Users/mmontagnino/Code/src/github.com/marianina8/audiofile

Now, we can create the code to generate the terminal dashboard, called within the Run field of the player command. Remember that the terminal dashboard consists of four main layers: the terminal, infrastructure, container, and widgets. Like a painting, we’ll start with the base layer: the terminal.

Creating the terminal layer

The first thing you need to do is to create a terminal that provides access to any input and output...

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