adduser/rmgroup.sh

   1 #!/bin/sh
   2 # Copyright (c) 1996 Wolfram Schneider <wosch@FreeBSD.org>. Berlin.
   3 # All rights reserved.
   4 #
   5 # rmgroup - delete a Unix group
   6 #
   7 # $Id$
   8
   9 PATH=/bin:/usr/bin; export PATH
  10 db=/etc/group
  11
  12 case "$1" in
  13         ""|-*)  echo "usage: rmgroup group"; exit 1;;
  14         wheel|daemon|kmem|sys|tty|operator|bin|nogroup|nobody)
  15                 echo "Do not remove system group: $1"; exit 2;;
  16         *) group="$1";;
  17 esac
  18
  19 if egrep -q -- "^$group:" $db; then
  20         if egrep -q -- "^$group:\*:0:" $db; then
  21                 echo "Do not remove group with gid 0: $group"
  22                 exit 2
  23         fi
  24         egrep -v -- "^$group:" $db > $db.new &&
  25                 cp -pf $db $db.bak &&
  26                 mv -f  $db.new $db
  27 else
  28         echo "Group \"$group\" does not exists in $db."; exit 1
  29 fi