2002-12-18 23:16:48 +03:00
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.\" $NetBSD: db.1,v 1.2 2002/12/18 20:16:48 wiz Exp $
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2002-12-11 16:40:42 +03:00
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.\"
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.\" Copyright (c) 2002 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 Luke Mewburn of Wasabi Systems.
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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 December 11, 2002
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.Dt DB 1
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.Os
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.
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.Sh NAME
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.Nm db
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.Nd
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manipulate
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.Xr db 3 's
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.Xr btree 3
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and
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.Xr hash 3
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databases
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.
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.Sh SYNOPSIS
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.Nm ""
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.Op Fl KV
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.Op Fl Niq
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.Bk -words
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.Op Fl E Ar endian
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.Ek
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.Bk -words
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.Op Fl f Ar infile
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.Ek
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.Ar type
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.Ar database
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.Bk -words
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.Op Ar key Op Ar \&.\&.\&.
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.Ek
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.
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.Nm ""
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.Fl d
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.Op Fl Niq
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.Bk -words
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.Op Fl E Ar endian
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.Ek
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.Bk -words
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.Op Fl f Ar infile
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.Ek
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.Ar type
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.Ar database
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.Bk -words
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.Op Ar key Op Ar \&.\&.\&.
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.Ek
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.
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.Nm ""
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.Fl w
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.Op Fl Niq
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.Bk -words
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.Op Fl E Ar endian
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.Ek
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.Bk -words
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.Op Fl f Ar infile
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.Ek
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.Op Fl CDR
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.Bk -words
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.Op Fl F Ar fieldsep
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.Ek
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.Bk -words
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.Op Fl m Ar mode
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.Ek
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.Ar type
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.Ar database
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.Bk -words
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.Op Ar key Ar value Op Ar \&.\&.\&.
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.Ek
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.
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.Sh DESCRIPTION
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.Nm
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allows manipulation of
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.Xr btree 3
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2002-12-18 23:16:48 +03:00
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and
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2002-12-11 16:40:42 +03:00
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.Xr hash 3
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.Pq Xr db 3
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databases.
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.Pp
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.Nm
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has three modes of operation:
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.Bl -tag -width "delete" -offset indent
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.It read
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Displays the given
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.Ar key Ns s ,
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and keys described in
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.Ar infile .
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If no keys and no
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.Ar infile
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is specified, the entire database is displayed.
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This is the default mode of operation.
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.It delete
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Enabled with
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.Fl d .
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Deletes the given
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.Ar key Ns s ,
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and keys described in
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.Ar infile .
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.It write
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Enabled with
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.Fl w .
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Writes the given
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.Ar key Ns s
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and
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.Ar value Ns s ,
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and keys and values described in
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2002-12-18 23:16:48 +03:00
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.Ar infile
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2002-12-11 16:40:42 +03:00
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(in the latter case, entries are separated by
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.Ar fieldsep ) .
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.El
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.Pp
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There are two mandatory arguments:
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.Ar type
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is the database type; either
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.Sq Sy btree
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or
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.Sq Sy hash ,
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and
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.Ar database
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is the database file to manipulate.
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.Pp
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Options valid for all modes are:
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.Bl -tag -width Fl -offset indent
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.
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.It Fl N
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Do not include the NUL byte at the end of the key.
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.
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.It Fl i
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Keys are converted to lower case before manipulation.
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.
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.It Fl q
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Quiet operation.
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In read mode, missing keys are not considered to be an error.
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In delete
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.Pq Fl d
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and write
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.Pq Fl w
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2002-12-18 23:16:48 +03:00
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modes,
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2002-12-11 16:40:42 +03:00
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the result of various operations is suppressed.
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.
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.It Fl E Ar endian
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Set the endianness of the database.
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.Ar endian
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may be one of:
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.Bl -tag -width 1n -offset indent -compact
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.It Sy B
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Big endian
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.It Sy H
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Host endian
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.It Sy L
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Little endian
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.El
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.
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.It Fl f Ar infile
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Contains a list of keys
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(for read and delete), or
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.Ar fieldsep
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separated keys and values (for write)
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to be used as arguments to the given mode.
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If
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.Ar infile
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is
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.Sq Sy - ,
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.Dv stdin
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is used.
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.
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.El
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.
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.Pp
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Read mode specific options are:
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.Bl -tag -width Fl -offset indent
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.It Fl K
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Display key.
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.It Fl V
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Display value.
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.El
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.Pp
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.Bd -ragged -offset indent
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(If neither of
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.Fl K
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or
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.Fl V
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is given, both options are enabled.)
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.Ed
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.
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.Pp
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Write mode specific options are:
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.Bl -tag -width Fl -offset indent
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.
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.It Fl C
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Create new database, and truncate existing databases.
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.
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.It Fl D
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Allow duplicate entries.
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(Requires
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.Fl R
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to be useful.)
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.
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.It Fl R
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Overwrite existing entries.
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If not specified, writing to an existing entry raises an error.
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.
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.It Fl F Ar fieldsep
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Field separator between key and value used when parsing
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.Ar infile .
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.
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.It Fl m Ar mode
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Octal mode of created database.
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.
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.El
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.
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.Sh SEE ALSO
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.Xr btree 3 ,
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.Xr db 3 ,
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.Xr hash 3 ,
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.Xr makemap 8
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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 1.7 .
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.
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2002-12-18 23:16:48 +03:00
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.Sh AUTHORS
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.An Luke Mewburn Aq lukem@netbsd.org .
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