• Install required packages

brew install cuetools flac ffmpeg shntool

• Split flac file by cue

$ shnsplit -o flac -f file.cue file.flac

• Download cuetag.sh from https://github.com/gumayunov/split-cue/blob/master/cuetag and fill meta-info for the resulting flac files

$ cuetag file.cue split-track*.flac

• Convert flac files to alac

$ for i in *.flac; do ffmpeg -i "$i" -acodec alac "`basename "$i" .flac`.m4a"; done;

from https://coderwall.com/p/6ydyoq/how-to-split-flac-files-by-cue-and-convert-to-alac-on-mac-os-x