#!/bin/bash

if [[ "$1" == "-h" ]]
then
    echo "album_rename [-h] | <source_dir> <target_dir> <album_name>"
    exit
fi

source_dir="$1"
target_dir="$2"
album_name="$3"

for file in ${source_dir}/*.flac
do
	target_file="${target_dir}/$(basename $file)"

	cp "${file}" "${target_file}"
	metaflac --remove-tag=ALBUM --set-tag="ALBUM=${album_name}" "${target_file}"

	i=$(($i+1))
done