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Powershell Core 6.2 Cookbook

You're reading from Powershell Core 6.2 Cookbook

Product type Book

Published in Apr 2019

Publisher Packt

ISBN-13 9781789803303

Pages 372 pages

Edition 1st Edition

Languages

Concepts

Shell Scripting

Author (1):

Jan-Hendrik Peters

Table of Contents (14) Chapters

Preface

1. Introduction to PowerShell Core

2. Reading and Writing Output

3. Working with Objects

4. Mastering the Pipeline

5. Importing, Using, and Exporting Data

6. Windows and Linux Administration

7. Windows Server Administration

8. Remoting and Just Enough Administration

9. Using PowerShell for Hyper-V and Azure Stack Management

10. Using PowerShell with Azure and Google Cloud

11. Accessing Web Services

12. High-Performance Scripting

13. Other Books You May Enjoy

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Hashtables, dictionaries, and performance

Hashtables and dictionaries are very popular in PowerShell Core. There are many cmdlets that you have already seen, such as Group-Object or Get-WinEvent, which work with hashtables. Hashtables are found when using splatting, and a special dictionary is used for the automatic variable, PSDefaultParameterValues, which defines key-value pairs for cmdlets and their defaults.

This recipe will show you another reason for preferring hashtables over other constructions: speed.

Getting ready

Install and start PowerShell Core. This recipe assumes you are using the ActiveDirectory module, either directly on PACKT-DC1 or imported from it.

...

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Authors (1)

Jan-Hendrik Peters

Jan-Hendrik Peters is an automation and DevOps professional by day, and a developer for the AutomatedLab framework by night. After working at an international retailer automating distributed POS support systems, he started working as a premier field engineer for Microsoft Germany, where he helps customers automate their infrastructure on-premises and in the cloud. When he is not working, he likes to spend his time brewing his own beer, curing his own bacon, and generally doing manual labor.

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