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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

System.Xml.Linq

The System.Xml.Linq namespace was added with .NET 3.5. This is known as LINQ to XML. Language Integrated Query (LINQ) is used to describe a query in the same language as the rest of a program. Therefore, interacting with a complex XML document does not require the use of XPath queries.

System.Xml.Linq is loaded by default in PowerShell 7. Windows PowerShell can make use of System.Xml.Linq once the required assembly has been added:

Add-Type -AssemblyName System.Xml.Linq 

This can also be phrased as follows:

using assembly System.Xml.Linq 

As a newer interface, System.Xml.Linq tends to be more consistent. The same syntax is used to create a document from scratch that is used to add elements and so on.

Opening documents

The XDocument class is used to load or parse a document. XML content may be cast to XDocument in the same way that content is cast using the [Xml] type accelerator:

[System.Xml.Linq.XDocument]$xDocument = @" 
&lt...
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