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
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25
Index

Summary

The pipeline is a key component of PowerShell. It allows data, as objects, to be sent from one command to another. Each command can act on the data it has received and, in many cases, return more data.

PowerShell includes a variety of commands for working with objects in a pipeline. These commands are used again and again no matter how experienced a PowerShell developer might be.

The Get-Member command allows the members (properties, methods, and so on) to be explored, which can be used to understand what an object is capable of.

ForEach-Object is a common command used to run arbitrary code against objects in a pipeline. Where-Object may be used to filter a pipeline, returning only relevant objects.

The Select-Object command is used to define what properties should be returned. You can also use Select-Object to include or remove objects, for example, by selecting the first few objects from a pipeline. The Sort-Object command takes pipeline input and allows...