Create 100 latest songs playlist

OIFS="$IFS"
IFS=$'\t\n'

shopt -s extglob

FOLDER_ROOT=cds

function getPlaylists {
    BASE=$1
    GENRE=$2
    PL_WILDCARD="${BASE} (*.m3u"
    rm $PL_WILDCARD

    find $GENRE -name "pl-new.txt" -print | while read FILE
        do  
            echo ">> $FILE"
            FILEBASE=`dirname "$FILE"`
            cat $FILE | while read LINE; do
            # echo "LINE $LINE"
            NUMBER=`echo $LINE | tr '\t' ' ' | cut -d' ' -f2`
            # echo "NUM $NUMBER"
            TRACK=`ls ${FILEBASE}/@${NUMBER}*`
            read -ra LISTS <<< `echo $LINE | tr '\t' ' ' | cut -d' ' -f1`
            IFS=","
            for LIST in ${LISTS[@]}; do
                # echo "$LIST"
                echo $TRACK
                echo "${TRACK}" >> "${BASE} ($LIST).m3u"
            done
            IFS=$'\n'
        done
    done
}


for GENRE in ${FOLDER_ROOT}/* ; do
    if [[ -d $GENRE ]]; then
        echo "Sorting $GENRE"

        BASE=`basename ${GENRE}`
        # getPlaylists ${BASE} ${GENRE}

        GENRE_ALL="${BASE} (All).m3u"
        GENRE_LATEST="${BASE} (Latest).m3u"

        find ${GENRE} -type f -name '*.mp3' -print0 | xargs -0 stat -f "%m %N" | sort -rn | head -100 | cut -f2- -d" " > "$GENRE_LATEST"
        find ${GENRE} -type f -name '*.mp3' -print0 | xargs -0 stat -f "%m %N" | cut -f2- -d" " > "$GENRE_ALL"

    fi
done

echo "Sorting ALL"

BASE="ALL"
getPlaylists ${BASE} ${FOLDER_ROOT}
GENRE_LATEST="${BASE} (Latest).m3u"
# find ${FOLDER_ROOT} -type f -name '*.mp3' -print0 | xargs -0 stat -f "%m %N" | sort -rn | head -100 | cut -f2- -d" " > "$GENRE_LATEST"