I use igir for this. It's a bit of work to setup though.
(Pro tip: Use the {datName} template token instead of --dir-dat-name if you use clean with single DAT files, or the "only delete from folders we touched" rule doesn't apply, learned the hard way).
(Pro tip: Use the {datName} template token instead of --dir-dat-name if you use clean with single DAT files, or the "only delete from folders we touched" rule doesn't apply, learned the hard way).