view previous-work/more_control_helpers/sbin/groupadd @ 1:d6bef198ae71

add work by Matthias S. Benkmann which is the inspiration for this project.
author Robert McIntyre <rlm@mit.edu>
date Tue, 08 Jan 2013 11:45:01 +0000
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1 #!/bin/bash
2 # Copyright (c) 2000,2004 Matthias S. Benkmann <article AT winterdrache DOT de>
3 # You may do everything with this code except misrepresent its origin.
4 # PROVIDED `AS IS' WITH ABSOLUTELY NO WARRANTY OF ANY KIND!
6 #
7 # This is a primitive script to serve as groupadd until the real groupadd
8 # has been installed. It has little error checking, so don't pass it anything
9 # stupid or it'll mess up your /etc/group file.
10 #
12 if [ $# -ne 3 -o z$1 != z-g ]; then
13 echo 1>&2 USAGE: groupadd -g gid groupname
14 exit 1
15 fi
17 #test if group already exists
18 grep "^${3}:.*" /etc/group
19 if [ $? -eq 0 ]; then
20 echo 1>&2 $0: Group does already exist
21 exit 1
22 fi
24 cp /etc/group /tmp/group123456
25 echo ${3}:x:${2}: | sort -t : -k3,3n -m /tmp/group123456 - > /etc/group