PowerTip: Use a destructive PowerShell cmdlet safely

Doctor Scripto

Summary: Use the –whatif parameter with PowerShell cmdlets to test code live.

Hey, Scripting Guy! Question I heard that PowerShell has a built-in safety switch to many of its cmdlets. Could you show me an example of it in use?

Hey, Scripting Guy! Answer No problem. You’re referring to the –whatif parameter, which is meant to show you what would happen if you used a PowerShell cmdlet without actually executing the cmdlet. An example of this in action is in the following Remove-Item cmdlet.

This will attempt to remove the document, HSG-Article-Sean-Should-Not-Lose.docx, without actually removing it.

Remove-Item .\HSG-Article-Sean-Should-Not-Lose.docx -WhatIf

The Doctor


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