#!/usr/bin/env bash

# count lines in resolv.conf
lines=$(cat /run/libreelec/resolv.conf | wc -l)
# count number of 'nameserver' entries
count=$(grep -c 'nameserver' /run/libreelec/resolv.conf)

# move last entry to top
i=$((0))
while [ $((count)) -gt 1 ]; do
  sed -i -n "$((lines - i - 1)){h;n;G};p" /run/libreelec/resolv.conf
  count=$((count - 1))
  i=$((i + 1))
done

exit 0