If the data in the function is in a variable, you can use Return() to pass it back to the script. The following is an example of using Return() at the end of a function to pass a variable value back to the script scope: PowerShell Copy Return($users) Note Us...
This module covers how to create modules and functions in Windows PowerShell scripts. Learning objectives Upon completion of this module, the learner will be able to: Describe functions. Describe the implications of variable scope. Explain how to use dot sourcing. ...
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A breakpoint pauses a script and provides an interactive prompt. At the interactive prompt, you can query or modify variable values and then continue the script. You use breakpoints to troubleshoot scripts when they aren't behaving as expected. At a Windows PowerShell prompt,...
The previous example stops processing the script and prompts the user with text as follows:PowerShell Copy How many days: At the prompt, the user enters a response and then selects Enter. The response that the user provides is placed in the variable $answer....
With PowerShell, you can use the OR operator to evaluate these conditions. In this example, the script uses the OR operator to check if the $osVersion variable is equal to either “Windows Server 2016” or “Windows Server 2019”. If the condition evaluates to true, it prints a message ...
To access the Windows PowerShell Variable: drive, I can use theGet-ChildItemcmdlet and specify the drive name. I can do this from any location. This technique is shown here. PS C:\> dir variable: Name Value —- —– $ cls ? True ...
How can I create aReadOnlyvariable in Windows PowerShell? Use theSet-Variablecmdlet to create aReadOnlyvariable, and specifyReadOnlyfor theOptionparameter, and you can specify a description for the variable: Set-Variable -Name myvariable -Value “value” -Description “mred variable” -O...
PowerShell modules enable adminsto reuse a script to automate a task. A PowerShell module can be defined as a set of PowerShell elements -- such as cmdlets, providers, functions,workflows, variables and aliases -- that are grouped to manage all the aspects of a particular area. PowerShell...
Figure 1. The workflow results from the PowerShell script count up the number of times an error occurs in each Windows machine. Using a workflow in this scenario -- which is valid if you have a large number of machines to access -- involvesa lot of coding complexityand overhead to su...