convert a soundtract to individual flacs

wav2flac.fish

function wav2flacs
  if [ (count $argv) -lt 2 ]
    if [ ! -e (basename -swav $argv[1])cue ]
      echo "No cue file of same name as wav, please specify one."
    end
    set cue (basename -swav $argv[1])cue
  else
    set cue $argv[2]
  end
  set wav $argv[1]
  set tmpDir (mktemp -d)
  mkvmerge $wav --chapters $cue -o $tmpDir/(basename -swav $wav)mkv
  mkvmerge -D -S $tmpDir/(basename -swav $wav)mkv --split chapters:all -o $tmpDir/split-%02d.mkv                                                                                       
  set titles (grep -aE '\ TITLE' $cue | sed -E 's/(^[^"]+?"|"[^"]+?$)|\///g')
  echo $titles[2]
  for i in $tmpDir/split-*
    set numb (echo $i | sed -E "s~$tmpDir/split-([[:digit:]]+).mkv~\1~")
    ffmpeg -i $i $titles[$numb].flac
  end
end