$ cat bin/nordvpn.sh
#!/bin/bash -e

if [ -z "$1" ]; then
  exit 1
fi

user=${SUDO_USER:-${USER}}
nordvpn=/home/${user}/nordvpn

if [ "$1" == "update" ]; then
  cd $nordvpn && rm -f *.ovpn

  curl -s https://nordvpn.com/api/files/zip | jar -xv
  sed -i '/auth-user-pass/d' *.ovpn

  exit
fi

if [ -z "$SUDO_COMMAND" ]; then
  sudo $0 $1
  exit
fi

vpns=$(for i in ${nordvpn}/${1}*.tcp443.ovpn; do echo -n $(basename $i) | cut -d . -f 1-3; done)
vpn=$(fping -c 1 $vpns 2> /dev/null | sort -k 6 -n | cut -d " " -f 1 | head -1)

userpass=/home/${user}/.nordvpn.conf
openvpn --auth-user-pass ${userpass} --config ${nordvpn}/${vpn}.tcp443.ovpn