I only want to keep the newest, say, 4 of each of the files. I can't write a script that just deletes anything older than a certain time from when it runs, as the files don't have consistent ...

Few are aware of scripting with batch files, but people don’t use batch files much unless when working with mountainous tasks. Even fewer are aware of Windows Scripting Host (WSH), a scripting ...

You could use VBScript with the FileSystemObject. Google will probably give you more than you need with just those two terms.