getgrent
Returns the next entry from the systems group file (usually
/etc/group on Unix systems) starting from the top. Returns
null when EOF is reached.
The return value from getgrent
in list context is:
where($name, $passwd, $gid, $members)
$members
contains a space-separated list of the login names of the members of the group.
In scalar context, getgrent
returns only the group name.