c2dfbbd381
It is a suite of ISC licensed tools to compile and render mdoc/man pages and will replace groff for formatting manpages in the base system. http://mdocml.bsd.lv/
294 lines
6.5 KiB
Groff
294 lines
6.5 KiB
Groff
.\" $Id: mandocdb.8,v 1.17 2011/12/25 21:00:23 schwarze Exp $
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.\"
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.\" Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
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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: December 25 2011 $
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.Dt MANDOCDB 8
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.Os
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.Sh NAME
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.Nm mandocdb
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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 avW
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.Op Fl C Ar file
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.Nm
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.Op Fl avW
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.Ar dir ...
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.Nm
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.Op Fl vW
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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 vW
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.Fl u Ar dir
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.Op Ar
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.Nm
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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
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.Sx Keyword Database
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and
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.Sx Index Database
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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 databases 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 truncated.
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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 1 .
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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 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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without truncating it.
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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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No databases are modified.
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Implies
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.Fl a
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and
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.Fl W .
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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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without truncating it.
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.It Fl v
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Display all files added or removed to the index.
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.It Fl W
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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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.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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.Ss Index Database
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The index database,
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.Pa whatis.index ,
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is a
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.Xr recno 3
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database with record values consisting of
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.Pp
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.Bl -enum -compact
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.It
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the character
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.Cm d ,
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.Cm a ,
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or
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.Cm c
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to indicate the file type
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.Po
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.Xr mdoc 7 ,
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.Xr man 7 ,
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and post-formatted, respectively
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.Pc ,
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.It
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the filename relative to the databases' path,
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.It
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the manual section,
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.It
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the manual title,
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.It
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the architecture
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.Pq often empty ,
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.It
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and the description.
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.El
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.Pp
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Each of the above is NUL-terminated.
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.Pp
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If the record value is zero-length, it is unassigned.
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.Ss Keyword Database
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The keyword database,
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.Pa whatis.db ,
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is a
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.Xr btree 3
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database of NUL-terminated keywords (record length is non-zero string
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length plus one) mapping to a 16-byte binary field consisting of the
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64-bit keyword type and the 64-bit
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.Sx Index Database
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record number, both in network-byte order.
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.Pp
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The type bit-mask consists of the following
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values mapping into
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.Xr mdoc 7
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macro identifiers:
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.Pp
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.Bl -column "x0x0000000000000001ULLx" "xLix" -offset indent -compact
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.It Li 0x0000000000000001ULL Ta \&An
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.It Li 0x0000000000000002ULL Ta \&Ar
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.It Li 0x0000000000000004ULL Ta \&At
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.It Li 0x0000000000000008ULL Ta \&Bsx
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.It Li 0x0000000000000010ULL Ta \&Bx
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.It Li 0x0000000000000020ULL Ta \&Cd
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.It Li 0x0000000000000040ULL Ta \&Cm
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.It Li 0x0000000000000080ULL Ta \&Dv
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.It Li 0x0000000000000100ULL Ta \&Dx
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.It Li 0x0000000000000200ULL Ta \&Em
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.It Li 0x0000000000000400ULL Ta \&Er
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.It Li 0x0000000000000800ULL Ta \&Ev
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.It Li 0x0000000000001000ULL Ta \&Fa
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.It Li 0x0000000000002000ULL Ta \&Fl
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.It Li 0x0000000000004000ULL Ta \&Fn
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.It Li 0x0000000000008000ULL Ta \&Ft
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.It Li 0x0000000000010000ULL Ta \&Fx
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.It Li 0x0000000000020000ULL Ta \&Ic
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.It Li 0x0000000000040000ULL Ta \&In
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.It Li 0x0000000000080000ULL Ta \&Lb
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.It Li 0x0000000000100000ULL Ta \&Li
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.It Li 0x0000000000200000ULL Ta \&Lk
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.It Li 0x0000000000400000ULL Ta \&Ms
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.It Li 0x0000000000800000ULL Ta \&Mt
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.It Li 0x0000000001000000ULL Ta \&Nd
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.It Li 0x0000000002000000ULL Ta \&Nm
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.It Li 0x0000000004000000ULL Ta \&Nx
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.It Li 0x0000000008000000ULL Ta \&Ox
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.It Li 0x0000000010000000ULL Ta \&Pa
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.It Li 0x0000000020000000ULL Ta \&Rs
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.It Li 0x0000000040000000ULL Ta \&Sh
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.It Li 0x0000000080000000ULL Ta \&Ss
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.It Li 0x0000000100000000ULL Ta \&St
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.It Li 0x0000000200000000ULL Ta \&Sy
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.It Li 0x0000000400000000ULL Ta \&Tn
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.It Li 0x0000000800000000ULL Ta \&Va
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.It Li 0x0000001000000000ULL Ta \&Vt
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.It Li 0x0000002000000000ULL Ta \&Xr
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.El
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.Sh IMPLEMENTATION NOTES
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The time to construct a new database pair grows linearly with the
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number of keywords in the input files.
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However, removing or updating entries with
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.Fl u
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or
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.Fl d ,
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respectively, grows as a multiple of the index length and input size.
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.Sh FILES
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.Bl -tag -width Ds
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.It Pa whatis.db
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A
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.Xr btree 3
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keyword database mapping keywords to a type and file reference in
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.Pa whatis.index .
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.It Pa whatis.index
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A
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.Xr recno 3
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database of indexed file-names.
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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 DIAGNOSTICS
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If the following errors occur, the
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.Nm
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databases should be rebuilt.
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.Bl -diag
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.It "%s: Corrupt database"
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The keyword database file indicated by
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.Pa %s
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is unreadable.
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.It "%s: Corrupt index"
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The index database file indicated by
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.Pa %s
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is unreadable.
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.It "%s: Path too long"
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The file
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.Pa %s
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is too long.
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This usually indicates database corruption or invalid command-line
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arguments.
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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 btree 3 ,
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.Xr recno 3 ,
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.Xr man.conf 5
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.Sh AUTHORS
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The
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.Nm
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utility was written by
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.An Kristaps Dzonsons ,
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.Mt kristaps@bsd.lv .
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