freebsd-dev/usr.sbin/chkgrp/chkgrp.8

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.\" Copyright (c) 1998 Dag-Erling Co<43>dan Sm<53>rgrav
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer
.\" in this position and unchanged.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\" 3. The name of the author may not be used to endorse or promote products
.\" derived from this software without specific prior written permission
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
1999-08-28 01:35:59 +00:00
.\" $FreeBSD$
.\"
.Dd May 5, 1998
.Dt CHKGRP 8
.Os
.Sh NAME
.Nm chkgrp
.Nd check the syntax of the group file
.Sh SYNOPSIS
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.Nm
.Op Ar groupfile
.Sh DESCRIPTION
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The
.Nm
utility
scans the given file or, failing that, the system-wide group file for
errors.
Specifically, it checks that every non-blank, non-comment
entry is composed of four colon-separated fields, that none of them
contains whitespace, and that the third field (the group ID) is
numeric.
.Sh FILES
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.Bl -tag -width /etc/group -compact
.It Pa /etc/group
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group database file
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.El
.Sh SEE ALSO
.Xr getgrent 3 ,
.Xr group 5
.Sh DIAGNOSTICS
For each error found,
.Nm
will print an error message containing the name of the file being
scanned and the line number on which the error was found.
Otherwise no
output is produced.
.Pp
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The
.Nm
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utility returns
.Dv EX_DATAERR
if errors were found in the group file,
and
.Dv EX_OK
otherwise.
.Sh HISTORY
The
.Nm
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utility appeared in
.Fx 3.0 .
.Sh AUTHORS
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The
.Nm
utility and this manual page were written by
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.An Dag-Erling Co\(:idan Sm\(/orgrav Aq des@FreeBSD.org .
.Sh BUGS
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Should check fields more thoroughly for allowed/disallowed
characters, and the range of the group ID.