On Mon, Mar 1, 2010 at 11:08 AM, Laurent Wandrebeck <l.wandrebeck at gmail.com> wrote: >> Niki > Why don't you use groupadd -f ? It will not override the group if it > already exists, and shortens the code :) > That gets my vote :) I have seen code that creates a temp file then does a chgrp on the file. If it fails then the group is created. If not, the existing group was used. This was done to get around some differences between SunOS and Linux and unknown state of LDAP/local auth.