post_install() {
  echo -e "In order to use adfilter, you have to execute following commands:\n\n    echo actionsfile adfilter.action >> /etc/privoxy/config\n    echo filterfile  adfilter.filter >> /etc/privoxy/config"
}

post_remove () {
  echo "Please remove adfilter.action and adfilter.filter in /etc/privoxy/config to avoid errors."
}