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Mastering PowerShell Scripting

You're reading from   Mastering PowerShell Scripting Automate repetitive tasks and simplify complex administrative tasks using PowerShell

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Product type Paperback
Published in May 2024
Publisher Packt
ISBN-13 9781805120278
Length 826 pages
Edition 5th Edition
Languages
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Author (1):
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Chris Dent Chris Dent
Author Profile Icon Chris Dent
Chris Dent
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Toc

Table of Contents (23) Chapters Close

Preface 1. Introduction to PowerShell 2. Modules FREE CHAPTER 3. Variables, Arrays, and Hashtables 4. Working with Objects in PowerShell 5. Operators 6. Conditional Statements and Loops 7. Working with .NET 8. Files, Folders, and the Registry 9. Windows Management Instrumentation 10. Working with HTML, XML, and JSON 11. Web Requests and Web Services 12. Remoting and Remote Management 13. Asynchronous Processing 14. Graphical User Interfaces 15. Scripts, Functions, and Script Blocks 16. Parameters, Validation, and Dynamic Parameters 17. Classes and Enumerations 18. Testing 19. Error Handling 20. Debugging 21. Other Books You May Enjoy
22. Index

Working with long lines

There are several techniques that can be used when writing scripts to avoid excessively long lines of code. The goal is to avoid needing to scroll to the right when reviewing code. A secondary goal is to avoid littering a script with the backtick (grave accent) character, ', which can be difficult to see for some.

This book continually makes use of these techniques to try and present examples without wrapping across lines. For example, one of the examples from ShouldProcess uses three arguments inside an if statement condition:

if ($PSCmdlet.ShouldProcess(
        'Message displayed using WhatIf',
        'Warning: Deleting SomeObject',
        'Question: Are you sure you want to do continue?')
) {
    Write-Host 'Deleting SomeObject' -ForegroundColor Cyan
}

This takes advantage of the ability to add a line break after ( and ,. The example may be harder to read if all values are squashed onto a single...

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