resolv_conf-switcher

fct_menu ()
{
echo "Select your DNS server

1 : Cloudflare -> 1.1.1.1
2 : Google -> 8.8.8.8
Q : Exit

Your choice :"

read optionmenu
    case $optionmenu in
    1)
        sudo echo nameserver 1.1.1.1 > /etc/resolv.conf;;
    2)
        sudo echo nameserver 8.8.8.8 > /etc/resolv.conf;;
    q)
        exit;;
    *)
        echo "Invalid, please retry"
        fct_menu;;
        esac
}
fct_menu