211 lines
6.0 KiB
Groff
211 lines
6.0 KiB
Groff
.\" $NetBSD: etcupdate.8,v 1.1 2002/03/22 10:10:57 martti Exp $
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.\"
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.\" Copyright (c) 2001 The NetBSD Foundation, Inc.
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.\" All rights reserved.
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.\"
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.\" This code is derived from software contributed to The NetBSD Foundation
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.\" by Martti Kuparinen.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the NetBSD
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.\" Foundation, Inc. and its contributors.
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.\" 4. Neither the name of The NetBSD Foundation nor the names of its
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.\" contributors may be used to endorse or promote products derived
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.\" from this software without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.Dd March 22, 2002
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.Dt ETCUPDATE 8
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.Os
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.Sh NAME
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.Nm etcupdate
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.Nd update the configuration and startup files in
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.Pa /etc
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.Sh SYNOPSIS
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.Nm
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.Op Fl b Ar srcdir
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.Op Fl h
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.Op Fl p Ar pager
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.Op Fl s Ar srcdir
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.Op Fl t Ar temproot
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.Op Fl v
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.Op Fl w Ar width
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.Sh DESCRIPTION
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.Nm
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is a tool to update the configuration and startup files in
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.Pa /etc
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(and some other directories like
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.Pa /dev ,
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.Pa /root
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and
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.Pa /var )
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without the need of manually checking and modifying every file.
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The user should run this script after performing an operating system
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update (e.g. after running
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.Pa make build
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in
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.Pa /usr/src
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or after extracting the binary distribution files)
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to use the latest configuration and startup files.
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.Pp
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If the user is updating from sources (which is the default mode),
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.Nm
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will first create a copy of the new configuration and startup files
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by running
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.Pa make distribution
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in
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.Pa /usr/src/etc .
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.Pp
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Instead of using sources, the user can also extract one or more binary
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distribution sets and use those files to update the currently installed
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files (see usage of the
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.Fl b Ar srcdir
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argument later in this manual page).
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Files in
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.Pa srcdir
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will be removed by
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.Nm
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when using the
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.Fl b Ar srcdir
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argument (as the
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.Pa srcdir
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directory is treated like
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.Pa temproot ) .
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.Pp
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.Nm
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compares the new files against the currently installed files.
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The user is given the option of installing, merging or deleting each
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modified or missing file.
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.Nm
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also detects if the user installs certain special files and performs
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corresponding tasks like remaking device nodes or rebuilding a database
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from the
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.Xr aliases 5
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file.
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.Sh ENVIRONMENT
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.Bl -tag -width TEMPROOT
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.It Ev TEMPROOT
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The temporary files created from
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.Pa /usr/src/etc
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will be stored here. These files will then be compared
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against the currently installed files in the
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.Pa /etc
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directory. By default this is
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.Pa /tmp/temproot
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but it can be changed either with the
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.Fl t Ar temproot
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argument or by defining the
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.Ev TEMPROOT
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variable.
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.It Ev SRCDIR
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The location of the
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.Nx
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sources files. By default this is
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.Pa /usr/src/etc
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but it can be changed either with the
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.Fl s Ar srcdir
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argument or by defining the
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.Ev SRCDIR
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variable.
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.It Ev PAGER
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The pager to use when displaying files. By default this is
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.Xr more 1
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but it can be changed either with the
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.Fl p Ar pager
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argument or by defining the
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.Ev PAGER
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variable.
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.It Ev WIDTH
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The screen width used during interactive merge. By default this is
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80 but it can be changed either with the
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.Fl w Ar width
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argument or by defining the
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.Ev WIDTH
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variable.
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This is useful for
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.Xr xterm 1
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users with wider shell windows.
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.El
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.Sh FILES
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The environment variables can also be defined in the following configuration
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files. The user's personal configuration file settings override the global
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settings.
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.Pp
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/etc/etcupdate.conf
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.Pp
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~/.etcupdaterc
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.Sh EXAMPLES
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You have just upgraded your
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.Nx
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host from 1.6 to 1.6.1 and now it's time
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to update the configuration files as well.
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To update the configuration files from the sources (if you have the
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.Pa /usr/src/etc
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directory):
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.Pp
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.Dl etcupdate
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.Pp
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The default location of the source files is
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.Pa /usr/src/etc
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but this may be overridden with the
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.Fl s Ar srcdir
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command line argument:
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.Pp
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.Dl etcupdate -s /some/where/src/etc
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.Pp
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To update the configuration files from binary distribution sets
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do something like this:
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.Pp
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.Dl mkdir /tmp/temproot
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.Dl cd /tmp/temproot
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.Dl tar xpzf /some/where/etc.tgz
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.Dl etcupdate -b /tmp/temproot
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.Pp
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To get a better idea what's going on, use the
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.Fl v
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flag:
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.Pp
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.Dl etcupdate -v
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.Sh HISTORY
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The
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.Nm
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command appeared in
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.Nx 1.6 .
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.Sh AUTHORS
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The
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script was written by Martti Kuparinen <martti@netbsd.org> and
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improved by several other
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.Nx
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users.
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.Pp
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The idea for this script (including code fragments, variable names etc.)
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came from the
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.Fx
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mergemaster (by Douglas Barton). Unlike the
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.Fx
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mergemaster, this does not use CVS version tags to compare if
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the files need to be updated. Files are compared with
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.Xr cmp 1
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as this is more reliable and the only way if the version numbers are the
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same even though the files are different.
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