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Mastering PowerShell Scripting

You're reading from   Mastering PowerShell Scripting Automate and manage your environment using PowerShell 7.1

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Product type Paperback
Published in Jun 2021
Publisher Packt
ISBN-13 9781800206540
Length 788 pages
Edition 4th 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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Table of Contents (26) Chapters Close

Preface 1. Introduction to PowerShell 2. Modules and Snap-Ins FREE CHAPTER 3. Working with Objects in PowerShell 4. Operators 5. Variables, Arrays, and Hashtables 6. Conditional Statements and Loops 7. Working with .NET 8. Strings, Numbers, and Dates 9. Regular Expressions 10. Files, Folders, and the Registry 11. Windows Management Instrumentation 12. Working with HTML, XML, and JSON 13. Web Requests and Web Services 14. Remoting and Remote Management 15. Asynchronous Processing 16. Graphical User Interfaces 17. Scripts, Functions, and Script Blocks 18. Parameters, Validation, and Dynamic Parameters 19. Classes and Enumerations 20. Building Modules 21. Testing 22. Error Handling 23. Debugging and Troubleshooting 24. Other Books You May Enjoy
25. Index

Lists, dictionaries, queues, and stacks

Arrays and Hashtables are integral to PowerShell and being able to manipulate these is critical. If these simple structures fail to provide an efficient means of working with a set of data, there are advanced alternatives.

The following .NET collections are discussed:

  • System.Collections.Generic.List
  • System.Collections.Generic.Dictionary
  • System.Collections.Generic.Queue
  • System.Collections.Generic.Stack

Each of these collections has detailed documentation (for .NET) available on Microsoft Docs:

https://docs.microsoft.com/dotnet/api/system.collections.generic

System.Collections.Generic.List

A list is similar to an array, but with a larger set of features, such as the ability to add elements without copying into a new array. A generic list using the .NET class System.Collections.Generic.List is shown next.

ArrayList is often used in examples requiring advanced array manipulation in PowerShell...

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