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Go Programming - From Beginner to Professional

You're reading from   Go Programming - From Beginner to Professional Learn everything you need to build modern software using Go

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Product type Paperback
Published in Mar 2024
Publisher Packt
ISBN-13 9781803243054
Length 680 pages
Edition 2nd Edition
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Author (1):
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Samantha Coyle Samantha Coyle
Author Profile Icon Samantha Coyle
Samantha Coyle
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Table of Contents (30) Chapters Close

Preface 1. Part 1: Scripts
2. Chapter 1: Variables and Operators FREE CHAPTER 3. Chapter 2: Command and Control 4. Chapter 3: Core Types 5. Chapter 4: Complex Types 6. Part 2: Components
7. Chapter 5: Functions – Reduce, Reuse, and Recycle 8. Chapter 6: Don’t Panic! Handle Your Errors 9. Chapter 7: Interfaces 10. Chapter 8: Generic Algorithm Superpowers 11. Part 3: Modules
12. Chapter 9: Using Go Modules to Define a Project 13. Chapter 10: Packages Keep Projects Manageable 14. Chapter 11: Bug-Busting Debugging Skills 15. Chapter 12: About Time 16. Part 4: Applications
17. Chapter 13: Programming from the Command Line 18. Chapter 14: File and Systems 19. Chapter 15: SQL and Databases 20. Part 5: Building For The Web
21. Chapter 16: Web Servers 22. Chapter 17: Using the Go HTTP Client 23. Part 6: Professional
24. Chapter 18: Concurrent Work 25. Chapter 19: Testing 26. Chapter 20: Using Go Tools 27. Chapter 21: Go in the Cloud 28. Index 29. Other Books You May Enjoy

Starting other commands from your application

Launching external commands from your Go application opens opportunities for interaction with other programs, processes, and system utilities. The os/exec package in Go provides functionalities for starting and interacting with external processes. You can run basic commands, capture their output, and handle errors seamlessly with this package. It serves as a foundation for more advanced command execution scenarios.

For example, the os/exec package allows you to customize the execution of commands by configuring attributes such as the working directory, environment variables, and more. You can also provide inputs to the subcommand through standard input streams from the originating command-line application.

By running other commands from within your command-line application, you can run some processes in the background, allowing the application to continue its execution while monitoring or interacting with parallel processes. You can...

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