# arg 1:  the new package version
              pre_install() {
                #
                #  do pre-install stuff here
                #
                /bin/true
              }

              # arg 1:  the new package version
              post_install() {
                #
                #  do post-install stuff here
                #
		sed -n '/^DAEMONS/p' /etc/rc.conf | grep niceshaper >/dev/null
		if [ $? != 0 ]; then 
		    sed -i '/^DAEMONS/s/iptables/iptables !niceshaper/' /etc/rc.conf
		fi
                echo "Przed uruchomieniem przeczytaj: "
		echo "/etc/niceshaper/najpierw.README"
		echo "Zrób konfiguracje wg instrukcji a potem"
		echo "wpisz: "
		echo "/etc/rc.d/niceshaper start."
		echo "Po restarcie program powinien wystartować"
		echo "automatycznie."
		echo ""
		echo "Strona domowa projektu:"
		echo "http://www.niceshaper.jedwabny.net/"
              }

              # arg 1:  the new package version
              # arg 2:  the old package version
              pre_upgrade() {
                #
                #  do pre-upgrade stuff here
                #
                /bin/true
              }

              # arg 1:  the new package version
              # arg 2:  the old package version
              post_upgrade() {
                #
                #  do post-upgrade stuff here
                #
                /bin/true
              }

              # arg 1:  the old package version
              pre_remove() {
                #
                #  do pre-remove stuff here
                #
                /bin/true
              }

              # arg 1:  the old package version
              post_remove() {
                #
                #  do post-remove stuff here
                #
		sed -n '/^DAEMONS/p' /etc/rc.conf | grep niceshaper >/dev/null
		if [ $? = 0 ]; then 
		    sed -i '/^DAEMONS/s/ niceshaper/ !niceshaper/' /etc/rc.conf
		fi
		
                /bin/true
              }

              op=$1
              shift
              $op $*