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Rename-Item : Cannot create a file when that file already exists. New code with parenthesis that didn't work. Replace Every Occurrence of a String in Multiple Files With PowerShell PowerShell is a powerful tool that can perform. Get-ChildItem *.* | Rename-Item -NewName What I tried: $curDateTime = Get-Date -Format yyyyMMddTHHmmssffff

Thanks in advance.Įxample File Names to be renamed test123.datĭesired End Result which each file being unique with the millisecond that you can see as the end 4 numbers in the file name below: abcabcp123456789d202004271552001023 I then issue my command to rename and it always errors out after doing the first file successfully as it tries to edit the first file again which was already renamed. Turn on the switch for Enable PowerRename if its off. I browse to the directory my files reside in, create my variable for getting the current date time and formatted the way I want. The existing answers suggest the -replace operator, but what if the file is called a.xml.xml Both. 1.Open the PowerToys Settings window by double-clicking its System Tray icon. I'm trying to rename all of those files to contain the same initial file name and then put the current date time at the end and not include an extension. The files will be different names and different extesions so they are all unique. I'm a complete noob when it comes to powershell but I've been struggling with this one all day and not sure why.Įach day, I will have a set of files in a directory.