music_convert

#!/usr/bin/env bash
# WARNING Argument parsing here is really dumb, be careful when adding any
# additional flags.

shopt -s nullglob

readonly LIBRARY=/mnt/f/Music
readonly OUTPUT=/mnt/g/MusicTransfer/out

mkdir -v "$OUTPUT" 2>/dev/null

declare -a flacfiles=()
declare -a copyfiles=()

for d in "$LIBRARY"/*; do
    basename=${d#$LIBRARY/}
    
    [[ -d "$OUTPUT/$basename" ]] || mkdir -v "$OUTPUT/$basename"
    
    echo "$basename:"

    for f in "$d"/*; do
        filename=${f##*/}

        echo -n $'\t'
        if [[ "${f##*.}" == flac ]]; then
            echo -n "CONV "
            flacfiles+=("$basename/$filename")
        else
            echo -n "COPY "
            copyfiles+=("$basename/$filename")
        fi

        echo "$filename"
    done
done

echo
echo "${#flacfiles[@]} files will be converted."
echo "${#copyfiles[@]} files will be copied."

read -p "Is this okay? [Y/n] " ans
if [[ ! "$ans" =~ [Yy] ]]; then
    return
fi


if [[ "$1" != -c ]]; then
	printf "%s\0" "${flacfiles[@]}" | parallel --null -P 4 'ffmpeg -i '"$LIBRARY/"'{} -map 0 -map -v -q:a 0 '"$OUTPUT"'/{.}.mp3'
fi

printf "%s\0" "${copyfiles[@]}" | parallel --null -P 4 'cp -r '"$LIBRARY/"'{} '"$OUTPUT/"'{}'

date +%s > .last_convert_date