Script to burn a seamless audio CD from a directory of mp3 and/or mp4 files

burn.sh

#!/bin/bash

function append_filename {
  echo -en >> $TOCFILE "TRACK AUDIO\nFILE \"$WAV\" 0\n"
}

MP3DIR=$1
TOCFILE="cd_$$.toc"
SAVEIFS=$IFS
IFS=$(echo -en "\n\b")

echo "CD_DA" > $TOCFILE

for i in `find "$MP3DIR" | sort`
do
  TYPE=`file -b --mime-type $i`
  WAV="`basename $i`.wav"
  if [ $TYPE == "audio/mp4"  ]
  then
    faad $i -o $WAV
    append_filename
  elif [ $TYPE == "audio/mp3" ]
  then
    mpg123 -w$WAV $i
    append_filename
  fi
done

echo -e "TOC file available at $TOCFILE"

cdrdao write $TOCFILE

IFS=$SAVEIFS