[ohauer]

place the following lines into your ~/.bashrc and you are done

now you can type
# pftest to check if your pf.conf is OK and
# pfinstall to test and install your pf.conf

PFCONF=/etc/pf.conf

pftest(){
    pfctl -n -f ${PFCONF} &&
    echo "${PFCONF} => seems to work: $?"
}
pfinstall(){
    pfctl -n -f ${PFCONF} &&
    pfctl -f ${PFCONF} &&
    echo "${PFCONF} => seems to work: $?"
}