prerm is in cups-bsd 2.1.3-4.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 | #! /bin/sh
set -e
if [ -L /etc/printcap ]; then
    rm -f /etc/printcap
fi
case "$1" in
    remove|upgrade|deconfigure)
	# Remove documentation links
	rm -rf /usr/share/doc/cups-bsd
	# Disable inetd entry
	if [ -x "`which update-inetd 2>/dev/null`" ]; then
	    update-inetd --pattern cups-lpd --disable printer
	fi
        ;;
    failed-upgrade)
        ;;
    *)
        echo "prerm called with unknown argument \`$1'" >&2
        exit 0
    ;;
esac
exit 0
 |