powershell replace rename code example

Example 1: powershell rename replace

ls *.csv | Rename-Item -NewName {$_.name -replace "Default","VOD"}

Example 2: powershell rename item

Rename-Item
      [-Path] <String>
      [-NewName] <String>
      [-Force]
      [-PassThru]
      [-Credential <PSCredential>]
      [-WhatIf]
      [-Confirm] 
      [<CommonParameters>]

Example 3: powershell replace and rename file name

Get-ChildItem -Path "C:\All" -Filter "*.pdf" | Rename-Item -NewName { $_.BaseName.Replace(".","_") + $_.Extension }