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Go Systems Programming

You're reading from Go Systems Programming Master Linux and Unix system level programming with Go

Product type Paperback

Published in Sep 2017

Publisher Packt

ISBN-13 9781787125643

Length 466 pages

Edition 1st Edition

Languages

Go

Tools

Linux

Concepts

System Programming

Author (1):

Mihalis Tsoukalos

View More author details

Table of Contents (13) Chapters

Preface

1. Getting Started with Go and Unix Systems Programming FREE CHAPTER

2. Writing Programs in Go

3. Advanced Go Features

4. Go Packages, Algorithms, and Data Structures

5. Files and Directories

6. File Input and Output

7. Working with System Files

8. Processes and Signals

9. Goroutines - Basic Features

10. Goroutines - Advanced Features

11. Writing Web Applications in Go

12. Network Programming

Command-line arguments revisited!

As we saw in Chapter 2, Writing Programs in Go, you cannot work efficiently with multiple command-line arguments and options using if statements. The solution to this problem is to use the flag package, which will be explained here.

Remembering that the flag package is a standard Go package and that you do not have to search for the functionality of a flag elsewhere is extremely important.

The flag package

The flag package does the dirty work of parsing command-line arguments and options for us; so, there is no need for writing complicated and perplexing Go code. Additionally, it supports various types of parameters, including strings, integers, and Boolean, which saves you time as you do...

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