229 lines
4.8 KiB
Groff
229 lines
4.8 KiB
Groff
.\" $Id: makewhatis.8,v 1.6 2017/05/17 22:27:12 schwarze Exp $
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.\"
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.\" Copyright (c) 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
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.\" Copyright (c) 2011, 2012, 2014, 2017 Ingo Schwarze <schwarze@openbsd.org>
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.\"
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.\" Permission to use, copy, modify, and distribute this software for any
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.\" purpose with or without fee is hereby granted, provided that the above
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.\" copyright notice and this permission notice appear in all copies.
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.\"
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.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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.\"
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.Dd $Mdocdate: May 17 2017 $
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.Dt MAKEWHATIS 8
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.Os
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.Sh NAME
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.Nm makewhatis
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.Nd index UNIX manuals
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.Sh SYNOPSIS
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.Nm
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.Op Fl aDnpQ
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.Op Fl T Cm utf8
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.Op Fl C Ar file
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.Nm
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.Op Fl aDnpQ
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.Op Fl T Cm utf8
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.Ar dir ...
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.Nm
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.Op Fl DnpQ
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.Op Fl T Cm utf8
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.Fl d Ar dir
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.Op Ar
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.Nm
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.Op Fl Dnp
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.Op Fl T Cm utf8
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.Fl u Ar dir
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.Op Ar
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.Nm
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.Op Fl DQ
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.Fl t Ar
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.Sh DESCRIPTION
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The
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.Nm
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utility extracts keywords from
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.Ux
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manuals and indexes them in a database for fast retrieval by
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.Xr apropos 1 ,
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.Xr whatis 1 ,
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and
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.Xr man 1 Ns 's
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.Fl k
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option.
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.Pp
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By default,
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.Nm
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creates a database in each
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.Ar dir
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using the files
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.Sm off
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.Sy man Ar section Li /
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.Op Ar arch Li /
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.Ar title . section
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.Sm on
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and
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.Sm off
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.Sy cat Ar section Li /
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.Op Ar arch Li /
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.Ar title . Sy 0
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.Sm on
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in that directory.
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Existing databases are replaced.
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If a directory contains no manual pages, no database is created in that
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directory.
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If
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.Ar dir
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is not provided,
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.Nm
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uses the default paths stipulated by
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.Xr man.conf 5 .
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.Pp
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The arguments are as follows:
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.Bl -tag -width "-C file"
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.It Fl a
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Use all directories and files found below
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.Ar dir ... .
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.It Fl C Ar file
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Specify an alternative configuration
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.Ar file
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in
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.Xr man.conf 5
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format.
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.It Fl D
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Display all files added or removed to the index.
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With a second
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.Fl D ,
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also show all keywords added for each file.
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.It Fl d Ar dir
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Merge (remove and re-add)
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.Ar
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to the database in
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.Ar dir .
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.It Fl n
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Do not create or modify any database; scan and parse only,
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and print manual page names and descriptions to standard output.
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.It Fl p
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Print warnings about potential problems with manual pages
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to the standard error output.
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.It Fl Q
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Quickly build reduced-size databases
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by reading only the NAME sections of manuals.
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The resulting databases will usually contain names and descriptions only.
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.It Fl T Cm utf8
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Use UTF-8 encoding instead of ASCII for strings stored in the databases.
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.It Fl t Ar
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Check the given
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.Ar files
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for potential problems.
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Implies
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.Fl a ,
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.Fl n ,
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and
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.Fl p .
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All diagnostic messages are printed to the standard output;
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the standard error output is not used.
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.It Fl u Ar dir
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Remove
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.Ar
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from the database in
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.Ar dir .
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If that causes the database to become empty, also delete the database file.
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.El
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.Pp
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If fatal parse errors are encountered while parsing, the offending file
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is printed to stderr, omitted from the index, and the parse continues
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with the next input file.
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.Sh ENVIRONMENT
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.Bl -tag -width MANPATH
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.It Ev MANPATH
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A colon-separated list of directories to create databases in.
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Ignored if a
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.Ar dir
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argument or the
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.Fl t
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option is specified.
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.El
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.Sh FILES
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.Bl -tag -width Ds
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.It Pa mandoc.db
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A database of manpages relative to the directory of the file.
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This file is portable across architectures and systems, so long as the
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manpage hierarchy it indexes does not change.
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.It Pa /etc/man.conf
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The default
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.Xr man 1
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configuration file.
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.El
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.Sh EXIT STATUS
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The
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.Nm
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utility exits with one of the following values:
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.Pp
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.Bl -tag -width Ds -compact
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.It 0
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No errors occurred.
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.It 5
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Invalid command line arguments were specified.
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No input files have been read.
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.It 6
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An operating system error occurred, for example memory exhaustion or an
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error accessing input files.
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Such errors cause
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.Nm
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to exit at once, possibly in the middle of parsing or formatting a file.
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The output databases are corrupt and should be removed.
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.El
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.Sh SEE ALSO
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.Xr apropos 1 ,
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.Xr man 1 ,
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.Xr whatis 1 ,
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.Xr man.conf 5
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.Sh HISTORY
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A
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.Nm
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utility first appeared in
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.Bx 2 .
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It was rewritten in
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.Xr perl 1
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for
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.Ox 2.7
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and in C for
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.Ox 5.6 .
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.Pp
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The
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.Ar dir
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argument first appeared in
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.Nx 1.0 ;
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the options
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.Fl dpt
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in
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.Ox 2.7 ;
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the option
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.Fl u
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in
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.Ox 3.4 ;
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and the options
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.Fl aCDnQT
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in
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.Ox 5.6 .
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.Sh AUTHORS
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.An -nosplit
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.An Bill Joy
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wrote the original
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.Bx
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.Nm
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in February 1979,
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.An Marc Espie
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started the Perl version in 2000,
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and the current version of
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.Nm
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was written by
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.An Kristaps Dzonsons Aq Mt kristaps@bsd.lv
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and
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.An Ingo Schwarze Aq Mt schwarze@openbsd.org .
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