PowerTip: Use PowerShell to Verify Syntax of Path


Summary: Learn how to use Windows PowerShell to verify the syntax of a path.

Hey, Scripting Guy! Question How can I use Windows PowerShell to verify that a path that accepts user input is using the correct syntax?

Hey, Scripting Guy! Answer Use the –IsValid parameter of the Test-Path cmdlet, for example:

PS C:\> $a = "c:\myfolder\nonexistentfile.txt"

PS C:\> Test-Path $a -IsValid

True

PS C:\> $b = "c:\my()(*&^%\afile.txt"

PS C:\> Test-Path $b -IsValid

False

Note  This command verifies if the syntax is correct for the provider, but it does not verify if the file exists.

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