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Perl in a Nutshell

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Function Reference
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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:

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

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