#!/bin/bash

if [ -z $* ]
then
    sudo sed -i '/^#/! s/^/# / ' /etc/resolv.conf
    sudo sed -i '2s/#//' /etc/resolv.conf
    exit 0
fi

while getopts ":og" Option; do
case $Option in

g)
    sudo sed -i '/^#/! s/^/# / ' /etc/resolv.conf
    sudo sed -i '3,10s/#//' /etc/resolv.conf
    ;;
o)
    sudo sed -i '/^#/! s/^/# / ' /etc/resolv.conf
    sudo sed -i '11,18s/#//' /etc/resolv.conf
    ;;
*) echo "invalid"
    ;;
esac
done