Zsh script for batch converting wav, flac, mp3 files into ATRAC3-LP2 format (MDLP)

convmdlp2.sh

#!/bin/zsh
mkdir aa3

for file in $PWD/*.(mp3|flac|wav) ;  do
  fullfilename=$(basename $file)
  filename=${fullfilename%.*}

  ffmpeg -nostats -loglevel panic -i $fullfilename -ar 44100 temp.wav

  # ATRAC3Tool can be found here: https://github.com/Treeki/atrac3tool
  WINEDEBUG=-all wine atrac3tool.exe temp.wav temp.aa3
  
  mv temp.aa3 aa3/$filename.aa3
  rm temp.wav
done