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Go Systems Programming

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

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Product type Paperback
Published in Sep 2017
Publisher Packt
ISBN-13 9781787125643
Length 466 pages
Edition 1st Edition
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Author (1):
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Mihalis Tsoukalos Mihalis Tsoukalos
Author Profile Icon Mihalis Tsoukalos
Mihalis Tsoukalos
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Table of Contents (13) Chapters Close

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

Exercises

  1. Find and read the documentation of the time package.
  2. Try to change the Go code of userFiles.go in order to support multiple users.
  3. Change the Go code of insertLineNumber.go in order to read the input file line by line, write each line to a temporary file, and then, replace the original file with the temporary one. If you do not know how and where to create a temporary file, you can use a random number generator to get a temporary filename and the /tmp directory to temporarily save it.
  4. Make the necessary changes to multipleMV.go in order to print the files that are a match to the given regular expression without actually renaming them.
  5. Try to create a regular expression that matches PNG files and use it to process the contents of a log file.
  6. Create a regular expression that catches a date and a time string in order to print just the date part and delete the time part...
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