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Mastering PowerShell Scripting

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

Product type Paperback

Published in Jun 2021

Publisher Packt

ISBN-13 9781800206540

Length 788 pages

Edition 4th Edition

Languages

PowerShell

Tools

PowerShell

Concepts

System Administration

Author (1):

Chris Dent

View More author details

Table of Contents (26) Chapters

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

The Parameter attribute

The Parameter attribute is an optional attribute that you can use to define some of the behavior of a parameter, such as making a parameter mandatory.

Creating an instance of the Parameter object shows the different properties that you can set:

PS> [Parameter]::new()
ExperimentName                  :
ExperimentAction                : None
Position                        : -2147483648
ParameterSetName                : __AllParameterSets
Mandatory                       : False
ValueFromPipeline               : False
ValueFromPipelineByPropertyName : False
ValueFromRemainingArguments     : False
HelpMessage                     :
HelpMessageBaseName             :
HelpMessageResourceId           :
DontShow                        : False
TypeId                          : System.Management.Automation.Pa…

A few of these properties should be ignored as they are not intended to be set directly, such as HelpMessageBaseName, HelpMessageResourceId...

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Authors (1)

Chris Dent

Chris Dent

Chris Dent is an automation specialist with deep expertise in the PowerShell language. Chris is often found answering questions about PowerShell in both the UK and virtual PowerShell user groups. Chris has been developing in PowerShell since 2007 and has released several modules over the years.

See other products by Chris Dent

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