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The Ultimate Linux Shell Scripting Guide

You're reading from   The Ultimate Linux Shell Scripting Guide Automate, Optimize, and Empower tasks with Linux Shell Scripting

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Product type Paperback
Published in Oct 2024
Publisher Packt
ISBN-13 9781835463574
Length 696 pages
Edition 1st Edition
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Author (1):
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Donald A. Tevault Donald A. Tevault
Author Profile Icon Donald A. Tevault
Donald A. Tevault
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Table of Contents (26) Chapters Close

Preface 1. Getting Started with the Shell FREE CHAPTER 2. Interpreting Commands 3. Understanding Variables and Pipelines 4. Understanding Input/Output Redirection 5. Customizing the Environment 6. Text-Stream Filters – Part 1 7. Text Stream Filters – Part 2 8. Basic Shell Script Construction 9. Filtering Text with grep, sed, and Regular Expressions 10. Understanding Functions 11. Performing Mathematical Operations 12. Automating Scripts with here Documents and expect 13. Scripting with ImageMagick 14. Using awk – Part 1 15. Using awk – Part 2 16. Creating User Interfaces with yad, dialog, and xdialog 17. Using Shell Script Options with getops 18. Shell Scripting for Security Professionals 19. Shell Script Portability 20. Shell Script Security 21. Debugging Shell Scripts 22. Introduction to Z Shell Scripting 23. Using PowerShell on Linux 24. Other Books You May Enjoy
25. Index

Real-World Cross-Platform PowerShell Scripts

To come up with some real-world examples of cross-platform PowerShell scripts, I did a DuckDuckGo search for the PowerShell script examples Linux text string. The coolest thing I found is the Mega Collection of PowerShell Scripts on Github. You can use git to download it by doing:

git clone https://github.com/fleschutz/PowerShell.git

Once it’s downloaded, cd into the PowerShell/scripts/ directory, and take a look at what’s there. For our first example, let’s look at something simple that will run on all platforms.

The write-marquee.ps1 Script

The write-marquee.ps1 script is truly cross-platform, because it doesn’t use any commands that are specific to any particular operating system. All it does is create a marquee message that flows across on your screen. I can’t show the entire script here, but you can look at your own local copy. So, let’s just look at the individual parts of...

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