Convert every audio files inside the current directory to mp3

audio-convert.sh

#!/bin/bash

find . -regex ".*\.\(opus\|ogg\|m4a\)" -print0 | 
    while IFS= read -r -d $'\0' filename; do 
        echo $filename
        name="${filename%.*}"
        < /dev/null ffmpeg -nostats -loglevel 0 -n -i "$filename" -b:a 0 -codec:a libmp3lame -vn "./$name.mp3"
    done