#!/bin/bash

rename 'y/\ /_/' *.ogg
rename 'y/A-Z/a-z/' *.ogg

for file in *.ogg; do oggdec $file; done

normalize-audio -m *.wav

for file in *.wav; do
  aux="$(basename "$file" .wav)"

  if [ -z "$1" ]
  then
    echo "default bitrate: 160kbps."
    lame -b 160 "$aux.wav" "$aux.mp3"
  else
    lame -b $1 "$aux.wav" "$aux.mp3"
  fi

  if [ $? -eq 0 ]
  then
    rm -f "$aux.wav"
  fi
done