Mastering PowerShell Scripting, 4th Edition Год издания: 2021 Автор: Dent Chris Издательство: Packt ISBN: 978-1-80020-654-0 Язык: Английский Формат: PDF/epub Качество: Издательский макет или текст (eBook) Интерактивное оглавление: Да Количество страниц: 789 Описание: Grasp advanced PowerShell 7.1 functionalities for effective automation of your environment. Key Features:
See PowerShell in action, from learning the fundamentals to creating classes, scripts, and modules
Work with dual code for PowerShell 7 and Windows PowerShell
Automate complex tasks, manipulate data, and secure your environment
What you will learn:
Optimize code with functions, switches, and looping structures
Work with objects and operators to test and manipulate data
Parse and manipulate different data types
Create scripts and functions using PowerShell
Use jobs, runspaces, and runspace pools to run code asynchronously
Write .NET classes with ease within PowerShell
Create and implement regular expressions in PowerShell scripts
Make use of advanced techniques to define and restrict the behavior of parameters
Who this book is for: This book is aimed at beginners who want to understand the basics as well as experienced system administrators looking to extend their knowledge. Prior knowledge of PowerShell is beneficial but not essential to get the most value from this book. Some familiarity with operating systems would be useful, but not essential.
Оглавление
Chapter 1, Introduction to PowerShell, introduces you to editors, the help system, command naming, and more. Chapter 2, Modules and Snap-Ins, explores finding, installing, and using modules in PowerShell. Snap-ins are not part of PowerShell 7 but are briefly explored as a legacy feature of PowerShell 5. Chapter 3, Working with Objects in PowerShell, looks at the concept of objects in PowerShell and the generic commands available for selecting, filtering, and manipulating values. Chapter 4, Operators, explores the large variety of operators available in PowerShell. Chapter 5, Variables, Arrays, and Hashtables are an important topic in PowerShell. The chapter explores the use of variables, as well as the capabilities of collections. Chapter 6, Conditional Statements and Loops are the tools used to make decisions in scripts in PowerShell. This chapter explores keywords like If, and the different loop styles available. Chapter 7, Working with .NET, is used to dive into .NET, which was used to create the PowerShell language and is available within PowerShell. Chapter 8, Strings, Numbers, and Dates are a vital part of any scripting language, and PowerShell is no exception. This chapter explores the different techniques available for working with such values. Chapter 9, Regular Expressions are an incredibly useful inclusion in PowerShell. You can use regular expressions to make short work of string parsing tasks. The chapter ends by walking through several practical parsing examples. Chapter 10, File, Folders, and the Registry, explores the use of providers in PowerShell, most used to access the file system and, in Windows, the registry. Chapter 11, Windows Management Instrumentation, explores WMI in PowerShell, a significant part of the Windows operating system since Windows NT. Chapter 12, Working with HTML, XML, and JSON, looks at the PowerShell commands and .NET types that you can use to work with these different text-based formats. Chapter 13, Web Requests and Web Services, explores basic web requests before diving into using PowerShell to work with REST APIs, using the API for GitHub as an example. Support for SOAP in PowerShell 7 is less complete than in PowerShell 5.1. SOAP is explored by way of a web service project via Visual Studio. Chapter 14, Remoting and Remote Management, examines the configuration and use of PowerShell Remoting in both Windows and Linux. Chapter 15, Asynchronous Processing, dives into the realm of background jobs in PowerShell before exploring .NET events in PowerShell. The chapter ends with a look at runspaces and runspace pools. Chapter 16, Graphical User Interfaces, shows you how to implement responsive user interfaces in PowerShell. Chapter 17, Scripts, Functions, and Script Blocks, explores the building blocks of larger scripts and modules. The chapter looks at how to define parameters, work in a pipeline, and manage output. Chapter 18, Parameters, Validation, and Dynamic Parameters, looks at the many options available for defining parameters and validating input in PowerShell. Chapter 19, Classes and Enumerations, shows off the capabilities of the class and enum keywords, which were introduced with PowerShell 5. The chapter includes an exploration of class inheritance and implementing .NET interfaces. This chapter includes a brief look at writing class-based DSC resources. Chapter 20, Building Modules, explores the key concepts of creating a module in PowerShell using PowerShell code. The chapter shows off some of the common approaches available to module authors. Chapter 21, Testing, is used to explore static analysis using PSScriptAnalyzer as well as acceptance and unit testing using the Pester framework. Chapter 22, Error Handling, looks at the complex topic of handling errors in PowerShell, including an exploration of both terminating and non-terminating errors. Chapter 23, Debugging and Troubleshooting, uses the built-in debugger in PowerShell and Visual Studio to delve into some of the common problems encountered when debugging scripts.
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