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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

Assignment operators

Assignment operators are used to give values to variables. The assignment operators that are available are as follows:

  • Assign: =
  • Add and assign: +=
  • Subtract and assign: -=
  • Multiply and assign: *=
  • Divide and assign: /=
  • Remainder and assign: %=

As with the arithmetic operators, add and assign may be used with strings, arrays, and hashtables. Multiply and assign may be used with strings and arrays.

Assign, add and assign, and subtract and assign

The assignment operator (=) is used to assign values to variables and properties; for example, it may be used to assign a value to a variable:

$variable = 'some value' 

Or, the PowerShell console window title (or Windows Terminal tab title) might be changed by assigning a new value to the WindowTitle property:

$host.UI.RawUI.WindowTitle = 'PowerShell window' 

The add and assign operator (+=) operates in a similar manner to the...

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