#!/bin/sh post_install () { if [ ! -d /var/spool/spop3d ]; then install -d -m 755 -o root -g wheel /var/spool/spop3d install -d -m 755 -o root -g wheel /var/spool/spop3d/bulletins fi } usage () { echo "usage: $0 distname { PRE-INSTALL | POST-INSTALL }" >&2 exit 1 } if [ $# -ne 2 ]; then usage fi case ${2} in "PRE-INSTALL") ;; "POST-INSTALL") post_install ;; *) usage ;; esac