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Top Forums Shell Programming and Scripting How to get a list of group members? Post 302258112 by Annihilannic on Thursday 13th of November 2008 11:02:06 PM
Old 11-14-2008
Here's a script (I call it lsgroup) that should do the trick:

Code:
awk -F: -v group=$1 '
        NR==FNR && $1==group {
                gid=$3
                for (i=1; i<=split($4,a,","); i++) print a[i]
                next
        }
        NR!=FNR && $4==gid { print $1 }
' /etc/group /etc/passwd | sort -u

 
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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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