I am lost with simple rename-item. Need to change names of folders to "01", "02", "03"... Tried everything but at the end I get this "Item doesn't exist". Sorry for dumb question but I am looking for a solution all day.
PS C:\Users\admin>
$nr = 1
Dir E:"Data-test" | %{Rename-Item $_ -NewName (‘{0}’ -f $nr++)}
Rename-Item : Cannot rename because item at 'ert' does not exist.
At line:3 char:23
+ Dir E:"Data-test" | %{Rename-Item $_ -NewName (‘{0}’ -f $nr++)}
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : InvalidOperation: (:) [Rename-Item], PSInvalidOperationException
+ FullyQualifiedErrorId : InvalidOperation,Microsoft.PowerShell.Commands.RenameItemCommand
Rename-Item : Cannot rename because item at 'ukh' does not exist.
At line:3 char:23
+ Dir E:"Data-test" | %{Rename-Item $_ -NewName (‘{0}’ -f $nr++)}
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : InvalidOperation: (:) [Rename-Item], PSInvalidOperationException
+ FullyQualifiedErrorId : InvalidOperation,Microsoft.PowerShell.Commands.RenameItemCommand
Rename-Item : Cannot rename because item at 'yph' does not exist.
At line:3 char:23
+ Dir E:"Data-test" | %{Rename-Item $_ -NewName (‘{0}’ -f $nr++)}
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : InvalidOperation: (:) [Rename-Item], PSInvalidOperationException
+ FullyQualifiedErrorId : InvalidOperation,Microsoft.PowerShell.Commands.RenameItemCommand
user14915444's helpful answer has provided the crucial pointer:
The problem is that Windows PowerShell situationally stringifies Get-ChildItem
(dir
) output objects by file name rather than by full path, necessitating the use of $_.FullName
rather than just $_
; the problem has been fixed in PowerShell [Core] v6.1+ - see this answer for details.
However, in your case the problem can be avoided altogether, by piping the Get-ChildItem
output directly to Rename-Item
, using a delay-bind script block, which also speeds up the operation:
[ref] $nr = 1
Get-ChildItem E:Data-test | Rename-Item -NewName { '{0}' -f $nr.Value++ } -WhatIf
Note: The -WhatIf
common parameter in the command above previews the operation. Remove -WhatIf
once you're sure the operation will do what you want.
Note the use of a [ref]
variable, which enables incrementing the sequence number across input objects from inside the delay-bind script block. This is necessary, because delay-bind script blocks run in a child scope of the caller's scope - unlike the script blocks passed to ForEach-Object
(%
) and Where-Object
(?
).
See GitHub issue #7157 for a discussion of this discrepancy.
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