Book Image

Mastering PowerShell Scripting - Fourth Edition

By : Chris Dent
5 (1)
Book Image

Mastering PowerShell Scripting - Fourth Edition

5 (1)
By: Chris Dent

Overview of this book

PowerShell scripts offer a convenient way to automate various tasks, but working with them can be daunting. Mastering PowerShell Scripting takes away the fear and helps you navigate through PowerShell's capabilities.This extensively revised edition includes new chapters on debugging and troubleshooting and creating GUIs (online chapter). Learn the new features of PowerShell 7.1 by working with parameters, objects, and .NET classes from within PowerShell 7.1. This comprehensive guide starts with the basics before moving on to advanced topics, including asynchronous processing, desired state configuration, using more complex scripts and filters, debugging issues, and error-handling techniques. Explore how to efficiently manage substantial amounts of data and interact with other services using PowerShell 7.1. This book will help you to make the most of PowerShell's automation features, using different methods to parse data, manipulate regular expressions, and work with Windows Management Instrumentation (WMI).
Table of Contents (26 chapters)
24
Other Books You May Enjoy
25
Index

Windows permissions

Windows permissions, such as NTFS Access Control Lists (ACLs), are used to describe who or what can access a resource.

The filesystem and registry providers both support Get-Acl and Set-Acl, which allow the different ACLs to be modified.

Working with permissions in PowerShell involves a mixture of PowerShell commands and .NET objects and methods.

Alternatives to .NET classes

The NtfsSecurity module found in the PowerShell Gallery may be an easier alternative to the native methods discussed in this section.

While some values and classes differ between the different providers, many of the same concepts apply.

The following snippet creates a set of files and folders in C:\Temp. These files and folders are used in the examples that follow:

New-Item C:\Temp\ACL -ItemType Directory -Force
1..5 | ForEach-Object {
    New-Item C:\Temp\ACL\$_ -ItemType Directory -Force
    'content' | Out-File "C:\Temp\ACL\$_\$_.txt...