Book Image

Mastering Windows PowerShell Scripting (Second Edition) - Second Edition

By : Brenton J.W. Blawat
Book Image

Mastering Windows PowerShell Scripting (Second Edition) - Second Edition

By: Brenton J.W. Blawat

Overview of this book

PowerShell scripts offer a handy way to automate various chores. Working with these scripts effectively can be a difficult task. This comprehensive guide starts from scratch and covers advanced-level topics to make you a PowerShell expert. The first module, PowerShell Fundamentals, begins with new features, installing PowerShell on Linux, working with parameters and objects, and also how you can work with .NET classes from within PowerShell. In the next module, you’ll see how to efficiently manage large amounts of data and interact with other services using PowerShell. You’ll be able to make the most of PowerShell’s powerful automation feature, where you will have different methods to parse and manipulate data, regular expressions, and WMI. After automation, you will enter the Extending PowerShell module, which covers topics such as asynchronous processing and, creating modules. The final step is to secure your PowerShell, so you will land in the last module, Securing and Debugging PowerShell, which covers PowerShell execution policies, error handling techniques, and testing. By the end of the book, you will be an expert in using the PowerShell language.
Table of Contents (24 chapters)
Title Page
Credits
About the Authors
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface

Chapter 4. Working with Objects in PowerShell

Everything we do in PowerShell revolves around working with objects. Objects, in PowerShell, may have properties or methods (or both).

It is difficult to describe an object without resorting to: an object is a representation of a thing or item of data. We might use an analogy to attempt to give meaning to the term.

This book is an object.

The book has properties which describe physical characteristics, such as the number of pages, the weight, or size. It has metadata (information about data) properties that describe the author, the publisher, the table of contents, and so on.

The book might also have methods. A method affects the change on the state of an object. For example, there might be methods to open or close the book or methods to jump to different chapters. A method might also convert an object into a different form. For example, there might be a method to copy a page, or even destructive methods such as one to split the book.

PowerShell has...