youtube url extractor in pouet radio

pouet.sh

pouetradio(){
    PLAYLIST=/tmp/pouet.txt;
    LINK_BASE="https://framapiaf.org/tags/pouetradio";
    #Si c'est pas la premire fois que le script est lancé on récupere juste la page courante qu'on n'ajoute en début de $PLAYLIST
    if [ -f "$PLAYLIST" ] ; then
        PREMIEREPAGE=/tmp/temp.txt;
        lynx -dump $LINK_BASE | awk 'match($0,/((\/|&|\?)v=)([^&]*)/,x){print x[3]}' | cut -d" " -f1 > $PREMIEREPAGE;
        sed -i "1i\\$PREMIEREPAGE" $PLAYLIST

    #Sinon, on parse l'ensemble des tags et on les mets dans $PLAYLIST
    else
        lynx -dump $LINK_BASE | awk 'match($0,/((\/|&|\?)v=)([^&]*)/,x){print x[3]}' | cut -d" " -f1 > $PLAYLIST;
        #echo -e "hors boucle:_$LINK_BASE\n"
        MAX_ID=$(lynx -dump "$LINK_BASE" | awk '/max_id/' | cut -d"=" -f2);
        ITER=1;
        MAX_ITER=250
        while [[ ( "$MAX_ID" != "" ) && ( $ITER -lt $MAX_ITER ) ]]
        do
            LINK="$LINK_BASE?max_id=$MAX_ID"
            #echo -e "$ITER:_$LINK"
            lynx -dump "$LINK" | awk 'match($0,/((\/|&|\?)v=)([^&]*)/,x){print x[3]}' | cut -d" " -f1 >> $PLAYLIST;
            MAX_ID=$(lynx -dump "$LINK" | awk '/max_id/' | cut -d"=" -f2 | tail -1);
            ITER=$(expr $ITER + 1);
        done
        sed -i '$!N; /^\(.*\)\n\1$/!P; D' $PLAYLIST;
        sed -i 's#^#https://youtu.be/#g'  $PLAYLIST;
    fi
    if [ -f "$PLAYLIST" ] ; then
        mpv --no-video --ytdl-format=bestaudio --playlist=$PLAYLIST;
    else
        echo "'$PLAYLIST' is not a valid file or not exist !"
    fi
}