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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 (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

The dWC.go utility revisited

In this section, we will change the implementation of the dWC.go utility developed in the previous chapter.

The first version of the program will use a buffered channel whereas the second version of the program will use shared memory for keeping the counts for each file you process.

Using a buffered channel

The name of this implementation will be WCbuffered.go and will be presented in five parts.

The first part of the utility is the following:

package main 
 
import ( 
   "bufio" 
   "fmt" 
   "io" 
   "os" 
   "path/filepath" 
   "regexp" 
) 
 
type File struct { 
   Filename   string 
   Lines      int 
   Words      int 
   Characters...

The rest of the chapter is locked

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