[Abcde-users] Able to set per-encoding output location?

[Joel Johnson]

I'd like to have the FLAC files be primary, but also have an mp3 version 
available for lower space usage when loading onto phones, tablets, mp3 
players, etc. To accomplish this, I'd like the following structure, but 
can't see how to specify a separate output location based on encoding 
type. Does this amount to a new feature request, or am I missing 
something currently existing?

I currently have:

     OUTPUTFORMAT='${ARTISTFILE}/${ALBUMFILE}/${TRACKNUM} - ${ARTISTFILE} 
- ${TRACKFILE}'
     PLAYLISTFORMAT='${ARTISTFILE}/${ALBUMFILE}/${ARTISTFILE} - 
${ALBUMFILE}.m3u'

which is what I want for FLAC files, but I'd like to add something like 
the following for the mp3 version, so that they are visually out of the 
way:

     OUTPUTFORMATMP3='${ARTISTFILE}/${ALBUMFILE}/mp3/${TRACKNUM} - 
${ARTISTFILE} - ${TRACKFILE}'
     PLAYLISTFORMATMP3='${ARTISTFILE}/${ALBUMFILE}/mp3/${ARTISTFILE} - 
${ALBUMFILE}.m3u'

On the playlist side, when encoding multiple formats and generating a 
playlist, a question is issued which isn't clear as to the purpose, 
asking "Erase, Append to, or Keep the existing playlist file?".

Joel