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

Multi-file module layout

Multi-file layouts typically aim to split the content of a project up into smaller and easier to maintain files. The most common strategy is to create one file for each function, class, or enumeration.

Files are categorized and grouped together to make it easier to find parts of the module. For example, the LocalMachine module might split up as follows:

ProjectRoot
| -- LocalMachine
     | -- public
     |     | -- Get-ComputerDescription.ps1
     |     | -- Set-ComputerDescription.ps1
     |
     | -- private
     |    | -- GetRegistryParameter.ps1
     |    | -- TestComputerDescriptionValue.ps1
     |
     | -- LocalMachine.psd1
     | -- LocalMachine.psm1

When split like this, LocalMachine.psm1 needs to change to load the content from those separate files.

Dot sourcing module content

Dot sourcing is used to load the content of a target file into the current scope. If used inside the psm1 file, each individual file will be loaded into...