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Learning PowerCLI

You're reading from   Learning PowerCLI A comprehensive guide on PowerCLI

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Product type Paperback
Published in Feb 2017
Publisher
ISBN-13 9781786468017
Length 562 pages
Edition 2nd Edition
Languages
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Author (1):
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Robert van den Nieuwendijk Robert van den Nieuwendijk
Author Profile Icon Robert van den Nieuwendijk
Robert van den Nieuwendijk
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Toc

Table of Contents (16) Chapters Close

Preface 1. Introduction to PowerCLI FREE CHAPTER 2. Learning Basic PowerCLI Concepts 3. Working with Objects in PowerShell 4. Managing vSphere Hosts with PowerCLI 5. Managing Virtual Machines with PowerCLI 6. Managing Virtual Networks with PowerCLI 7. Managing Storage 8. Managing High Availability and Clustering 9. Managing vCenter Server 10. Patching ESXi Hosts and Upgrading Virtual Machines 11. Managing VMware vCloud Director and vCloud Air 12. Using Site Recovery Manager 13. Using vRealize Operations Manager 14. Using REST API to manage NSX and vRealize Automation 15. Reporting with PowerCLI

Using arrays and hash tables


In PowerCLI, you can create a list of objects. For example, red, white, and blue is a list of strings. In PowerShell, a list of terms is named an array. An array can have zero or more objects. You can create an empty array and assign it to a variable:

PowerCLI C:\> $Array = @()

You can fill the array during creation using the following command line:

PowerCLI C:\> $Array = @("red","white")

You can use the += operator to add an element to an array:

PowerCLI C:\> $Array += "blue"
PowerCLI C:\> $Array
red
white
blue

If you want to retrieve a specific element of an array, you can use an index starting with 0 for the first element, 1 for the second element, and so on. If you want to retrieve an element from the tail of the array, you have to use -1 for the last element, -2 for the second to last, and so on. You have to use square brackets around the index number. In the next example, the first element of the array is retrieved using the following command...

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