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Batch Renaming of Files

Amazon Music, for reasons only know to them, downloads the following file

Mason Williams - Change the World.MP3

renaming the files during download as follows:

01-02- Change the World.MP3

I know restoring the artist's name is going to be difficult, but how do I batch rename...

01-02- Change the World.MP3 to Change the World.MP3
01-04- Hello, Goodbye.MP3 to Hello, Goodbye.MP3
02-02- Ticket to Ride.MP3 to Ticket to Ride.MP3

In other words, stripping the 0?-0?- from the front-end of the filename.

I have tried several iterations of REN such as REN "0?-0?-*.MP3" "*.MP3", but nothing I do seems to work. Suggestions?

Shaun Vermaak

Use this Powershell command. Remove -WhatIf to run for real

$RegEx = '\d{2}-\d{2}- (?<Name>.+?)\Z'
Get-ChildItem -Path 'C:\Temp\ren' -Filter *.mp3 | Where-Object {$_.BaseName -match $RegEx} | ForEach-Object {
	Rename-Item $_.FullName -NewName "$($Matches['Name'].Replace('.', ' '))$($_.Extension)" -WhatIf
}

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Shaun Vermaak

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Qlemo

No, ren with wildcards will not d. It can only replace parts of same length, or add extensions etc.
You'll need a loop in a batch file:

@echo 
setlocal EnableDelayedExpansion
pushd C:\Music\
for %%n in "*-*-*.mp3") do (
  set name=%%~n
  ren !name! !name:~7!
)

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This cuts of the first 7 characters of the name, if it contains at least two dashes.

Bill Golden

ASKER

Shaun, Qlermo, I could not get either routine to work.
However Shaun, the ID3 Renamer re-directed me to ID3 Tag Editor which solved both problems at the same time.

tulpan vadim

I suggest to try KrojamSoft BatchRename