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File rename

File rename is a topic that seems to keep recurring.

The simple answer is that you use Rename-Item

PS> Rename-Item -Path C:\test\Newoutdata01.txt -NewName OldData01.txt

 

If for whatever bizarre reason you have a character such as [ in your file name the rename won’t work

PS> Rename-Item -Path C:\test\New[outdata02.txt -NewName OldData02.txt
Rename-Item : Cannot retrieve the dynamic parameters for the cmdlet. The specified wildcard character pattern is not valid: New[outdata02.txt
At line:1 char:1
+ Rename-Item -Path C:\test\New[outdata02.txt -NewName OldData02.txt
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : InvalidArgument: (:) [Rename-Item], ParameterBindingException
+ FullyQualifiedErrorId : GetDynamicParametersException,Microsoft.PowerShell.Commands.RenameItemCommand

 

The way round that is to use –LiteralPath

PS> Rename-Item -LiteralPath C:\test\New[outdata02.txt -NewName OldData02.txt

 

If you need to rename a bunch of files use Get-ChildItem and pipe the results into Rename-Item

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