If you rip SACDs to ISO files, which I've previously documented how to do, you will subsequently need to be able to split the ISOs out into separate FLAC files, in order to catalogue and tag them properly. If you do, you need to be aware of a couple of bug-fixes that have recently been made to the AUAC script and associated software.
The usual approach I take is to break apart an ISO is to issue the command: auac -i=iso. But that recently failed to work correctly, and here's why. [...]