pre_install() {
  /bin/true
}

post_install() {
  echo "-- Use FreeMat -i /usr/share/FreeMat-3.6/ to adjust docs location"
}

pre_upgrade() {
  /bin/true
}

post_upgrade() {
  echo "-- Use FreeMat -i /usr/share/FreeMat-3.6/ to adjust docs location"
}

pre_remove() {
  /bin/true
}

post_remove() {
  /bin/true
}

op=$1
shift
$op $*