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Top Forums Shell Programming and Scripting Sorting group information for accounts Post 302681657 by neutronscott on Friday 3rd of August 2012 07:22:02 PM
Old 08-03-2012
Sounds like a user management nightmare. Maybe they should use some sort of central authentication server.

The modification you described for changing 4 to 11, and getent to cat group are both correct. But in the case of cat group, you could just use while ((getline < "group_file") > 0)

the "it doesn't exist error" is because a user had a GID that the group_file doesn't... the ones it has will still be correct.
 

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groups(1)							   User Commands							 groups(1)

NAME
groups - print group membership of user SYNOPSIS
groups [user...] DESCRIPTION
The command groups prints on standard output the groups to which you or the optionally specified user belong. Each user belongs to a group specified in /etc/passwd and possibly to other groups as specified in /etc/group. Note that /etc/passwd specifies the numerical ID (gid) of the group. The groups command converts gid to the group name in the output. EXAMPLES
The output takes the following form: example% groups tester01 tester02 tester01 : staff tester02 : staff example% FILES
/etc/passwd /etc/group ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
group(4), passwd(4), attributes(5) SunOS 5.10 14 Sep 1992 groups(1)
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