gistfile1.sh

#For use with automator and sox
process () {
  /usr/local/bin/sox "$1" "$1:r.wav"
}

for x; do
  if [ -d $x ]; then
    FILES=($x/*.(aif|mp3|ogg|m4a|flac))
    for file in $FILES; do
      process $file
    done
  else
    process $x
  fi
done