Synopsis

getgrent

Returns the next entry from the systems group file (usually /etc/group on Unix systems) starting from the top. Returns null when end-of-file is reached. The return value from getgrent in list context is:

($name, $passwd, $gid, $members)

in which $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.