Rem // Enable delayed expansion to be able to read the variables: Rem // Call sub-routine that removes the last `_`-separated part: Rem // Store current file name and extension: Setlocal EnableExtensions DisableDelayedExpansionįor /F "delims= eol=|" %%F in ('dir /B /A:-D "%_SOURCE%\%_MASK%"') do ( Note that this fails in case any of the files contains exclamation marks ! in their names. Here is a modified script that I posted in another answer, relying on a nice hack to remove the last portion of a string separated by a certain character – the underscore _ in this case. The last string assigned to %%b will be _laststring.ext, so the value assigned to newname will fit the processing requirement, so rename the file. Use a simple for to assign newname to the original filename with the _string removed (replaced by nothing) and add back the extension using %%~xa. WIth each name found, using delayed expansion, assign the name to filename and then replace each _ with Space_ Perform a directory scan of all filenames matching the mask. After you've verified that the commands are correct, change ECHO(REN to REN to actually rename the files.
The required REN commands are merely ECHOed for testing purposes. You would need to change the setting of sourcedir to suit your circumstances. FOR %%b IN (!partsname!) DO SET "newname=!filename:%%b=!%%~xa"
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