blocking distractions

gistfile1.sh

function block() {
  if ! [ "$1" = "" ] ; then
    case $1 in
      on)
        sudo ipfw add 7890 deny ip from news.ycombinator.com to any
        sudo -s "echo '127.0.0.1 facebook.com' >> /etc/hosts"
        sudo -s "echo '127.0.0.1 www.facebook.com' >> /etc/hosts"
        ;;
      off)
        sudo ipfw del 7890
        sudo sed -i'.bak' '/.*facebook.com/d' /etc/hosts
        ;;
    esac
  else
    echo "Usage: block [on|off]"
  fi
}