89 lines
2.5 KiB
Groff
89 lines
2.5 KiB
Groff
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.\"-
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.\" Copyright (c) 2010 Gordon Tetlow
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.\" All rights reserved.
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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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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd September 1, 2010
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.Dt APROPOS 1
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.Os
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.Sh NAME
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.Nm apropos ,
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.Nm whatis
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.Nd keyword search whatis documentation databases
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.Sh SYNOPSIS
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.Nm
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.Op Fl d
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.Ar keyword ...
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.Nm whatis
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.Op Fl d
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.Ar keyword ...
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.Sh DESCRIPTION
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The
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.Nm
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utility searches a set of databases looking for documentation matching each
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.Ar keyword
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and displays the results.
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The
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.Nm whatis
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utility does the same search but only on complete words.
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.Bl -tag -width ".Fl d"
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.It Fl d
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Print extra debugging information.
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.El
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.Pp
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The
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.Ar keyword
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is simply passed to
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.Xr grep 1
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allowing for extended regular expression matches.
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.Sh ENVIRONMENT
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The following environment variables affect the execution of
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.Nm :
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.Bl -tag -width ".Ev PAGER"
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.It Ev MANLOCALES , MANPATH , PATH
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Used to find the location of the
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.Nm whatis
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database files. See
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.Xr manpath 1
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for additional information.
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.It Ev PAGER
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Program used to display files.
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If unset,
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.Ic "more -s"
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is used.
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.El
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.Sh DIAGNOSTICS
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The
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.Nm
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utility exits 0 if a keyword matched and 1 if no keywords are matched or no
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.Nm whatis
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databases are found.
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.Sh SEE ALSO
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.Xr grep 1 ,
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.Xr makewhatis 1 ,
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.Xr man 1 ,
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.Xr manpath 1 ,
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.Xr man.conf 5
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