Variables in PowerShell | PowerShell Tutorial

Variables in Powershell

You're probably familiar with the concept of variables on some level, whether it's from prior experience in programming or from mathematics. Values can be assigned to a variable in order to reference that variable throughout your PowerShell script. The use of variables allow you to ensure the value stays consistent throughout the script, makes it easier to change the value later (either manually or programmatically), and generally makes your script much more readable.

PowerShell works with objects. PowerShell lets you create variables, essentially named objects, to preserve output for later use. If you are used to working with variables in other shells remember that PowerShell variables are objects, not text.

Variables are always specified with the initial character $, and can include any alphanumeric characters or the underscore in their names.

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