# dodanie custom blacklist

    CHECK=`echo $CUSTOM | wc -w`

    if [ ! "$CHECK" == "0" ] then

        $LOGS add custom hosts to blacklist

        echo "# custom blacklist" > $PREFIX/_host.custom

        for i in $CUSTOM; do

            echo "127.0.0.1 $i" >> $PREFIX/_host.custom

        done

    fi



    # scal pliki

    cat $PREFIX/_host* > $WORK1 && rm $PREFIX/_host*



    # pozostawiam uklad IP URL

    mv $WORK1 $WORK2 && cat $WORK2 | awk '{ print $1 " " $2 }' > $WORK1 && rm $WORK2



    # zmieniam jedno na drugie

    mv $WORK1 $WORK2 && sed 's/127.0.0.1/0.0.0.0/g' $WORK2 > $WORK1 && rm $WORK2

    mv $WORK1 $WORK2 && cat $WORK2 | grep -e '^0.0.0.0' > $WORK1 && rm $WORK2



    # usuwam smieci i duplikaty

    mv $WORK1 $WORK2 && cat $WORK2 | sort -u > $WORK1 && rm $WORK2



    # usuwam wybrane strony z whitelisty

    CHECK=`echo $WHITELIST | wc -w`

    if [ ! "$CHECK" == "0" ] then

        $LOGS remove whitelisted hosts from blacklist

        for i in $WHITELIST; do

            sed -i $WORK1 -e "/$i/d"

        done

    fi



    # zmiana formatu dla dnsmasq

    # example: address=/030.com/0.0.0.0

    cat $WORK1 | awk {'printf "address=/"$2"/0.0.0.0\n"'} > $FINAL