xtcat

早期freebsd实现

#!/bin/csh -f
cat > /tmp/xd$$
echo "Transmitting to Print Server" > /usr/spool/dpd/status
(/usr/new/xnsprint -n "$4@$6" -b Interpress -r /tmp/xd$$) >& /usr/spool/dpd/q
(echo -n "$4@$6" "" ; date ) >> /usr/adm/xacct