ROOTPATH="/var/www/nextcloud/data/grayhook/files/"
INDIR="Torrents"
OUTDIR="Archive/Anime"
ORIGNAME="Kimetsu.no.Yaiba.Hashira.Geiko.hen.WEB-DL.1080p"
NAME="Kimetsu no Yaiba Hashira Training"
OUTPUTPATH="${ROOTPATH}/${OUTDIR}/${NAME}"
INPUTPATH="${ROOTPATH}/${INDIR}/${ORIGNAME}"

[ -e "${ROOTPATH}/${OUTDIR}/${NAME}" ] || exit -1;
paste -d '\n' \
    <(find "$INPUTPATH" -maxdepth 1 -name '*.mkv' | sort) \
    <(find "$INPUTPATH/RUS Sound/StudioBand" -name '*.mka' | sort) \
    <(find "$INPUTPATH" -maxdepth 1 -name '*.mkv' | sort | \
        sed -e "s/.* \([0-9]\{2\}\) .*/${OUTPUTPATH//\//\\\/}\/${NAME} s05e\1.mkv/g") | \
    xargs -d '\n' printf '"%s" "%s" "%s"\n' | \
    xargs -n 3 \
    ffmpeg_add_audio_into_video -d \
                      ;

read || exit 1;

paste -d '\n' \
    <(find "$INPUTPATH" -maxdepth 1 -name '*.mkv' | sort) \
    <(find "$INPUTPATH/RUS Sound/StudioBand" -name '*.mka' | sort) \
    <(find "$INPUTPATH" -maxdepth 1 -name '*.mkv' | sort | \
        sed -e "s/.* \([0-9]\{2\}\) .*/${OUTPUTPATH//\//\\\/}\/${NAME} s05e\1.mkv/g") | \
    xargs -d '\n' printf '"%s" "%s" "%s"\n' | \
    xargs -n 3 \
    ffmpeg_add_audio_into_video \
                      ;