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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

Table of Contents (20) Chapters

Title Page

Credits

About the Author

About the Reviewer

www.PacktPub.com

Customer Feedback

Preface

1. Getting Started with Go and Unix Systems Programming

2. Writing Programs in Go FREE CHAPTER

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

Index

About file input and output

File input and output includes everything that has to do with reading the data of a file and writing the desired data to a file. There is not a single operating system that does not offer support for files and therefore for file input and output.

As this chapter is pretty big, I will stop talking and start showing you practical Go code that will make things clearer. So, the first thing that you will learn in this chapter is byte slices, which are very important in applications that are concerned with file input and output.

Byte slices

Byte slices are a kind of slices used for file reading and writing. Putting it simply, they are slices of bytes used as a buffer during file reading and writing operations. This section will present a small Go example where a byte slice is used for writing to a file and reading from a file. As you will see byte slices all over this chapter, make sure that you understand the presented example. The related Go code is saved as byteSlice...

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