#! /bin/bash


usage(){
cat << EOF
usage: transform_music [Album_name]

Description

transform_music transforms music from m4a format to flac it creates a new folder with the name provided and stores flac files in it


EOF
exit 1
  
}

if [[ $# -lt 1 ]] ; 
then
  usage
fi



if [[ ! -d $1 ]] ;
then
	mkdir $1
fi

for name in *m4a ;
do 
	name_flac=${name/m4a/flac}
	ffmpeg -i "$name" -movflags use_metadata_tags -crf 22 "./$1/$name_flac"
	echo transformed $name to $name_flac
done