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 .NET methods and commands demonstrated in this chapter are an important part of any scripter or developer toolkit. The .NET methods used for strings, numbers, and date extend on or offer alternatives to the operators offered by PowerShell.

PowerShell includes tools to convert string or text formats to objects or collections of objects. For example, the CSV commands will convert a comma-delimited string into an object where columns can be worked with as properties of objects.

ConvertFrom-StringData, and the Windows PowerShell commands Convert-String and ConvertFrom-String offer advanced text parsing capabilities without the need to resort to regular expressions.

Base64 encoding was briefly introduced in this chapter, primarily focused on using the -EncodedCommand parameter of powershell.exe or pwsh.exe. Base64 encoding is commonly used to represent arrays of bytes.

Numeric operators, such as +, -, %, *, and / are a foundation for mathematical operations...