Set DNS to TVUnblock servers

tvunblock.sh

#!/bin/bash

if [ $UID -ne 0 ] ; then
  printf "Usage: sudo ./tvunblock.sh\n"
  exit
fi

SERVERS="nameserver 46.101.149.135\nnameserver 46.101.36.120"

OLD="$(cat /etc/resolv.conf)"
printf "Old resolv.conf:\n${OLD}\n\n"

echo "${SERVERS}" > /etc/resolv.conf
printf "New resolv.conf:\n$(cat /etc/resolv.conf)\n\n"

read -n1 -r -p "Press any key to reset..."

printf "${OLD}" > /etc/resolv.conf
printf "\nresolv.conf reset to:\n$(cat /etc/resolv.conf)\n"