freebsd-dev/usr.sbin/adduser/rmgroup.sh
Wolfram Schneider eb651d9f73 rmgroup - delete a Unix group
usage: rmgroup group
1996-10-30 20:58:47 +00:00

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#!/bin/sh
# Copyright (c) 1996 Wolfram Schneider <wosch@FreeBSD.org>. Berlin.
# All rights reserved.
#
# rmgroup - delete a Unix group
#
# $Id: rmgroup.sh,v 1.1 1996/10/30 20:41:17 wosch Exp wosch $
PATH=/bin:/usr/bin; export PATH
db=/etc/group
case "$1" in
""|-*) echo "usage: rmgroup group"; exit 1;;
wheel|daemon|kmem|sys|tty|operator|bin|nogroup|nobody)
echo "Do not remove system group: $1"; exit 2;;
*) group="$1";;
esac
if egrep -q -- "^$group:" $db; then
if egrep -q -- "^$group:\*:0:" $db; then
echo "Do not remove group with gid 0: $group"
exit 2
fi
egrep -v -- "^$group:" $db > $db.new &&
cp -pf $db $db.bak &&
mv -f $db.new $db
else
echo "Group \"$group\" does not exists in $db."; exit 1
fi