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authorKristaps Dzonsons <kristaps@bsd.lv>2011-10-06 23:00:54 +0000
committerKristaps Dzonsons <kristaps@bsd.lv>2011-10-06 23:00:54 +0000
commit98b59bff3a4c0e0c7b187940c9fd72c6778046e4 (patch)
treec4fd142ea446207428610b9ccb76af98e91300c6 /apropos.1
parent2835b2c808e87f26f06bd8ec3a2c581923777902 (diff)
downloadmandoc-98b59bff3a4c0e0c7b187940c9fd72c6778046e4.tar.gz
Import apropos from mandoc-tools after inlining all source files
(originally including extern.h, state.c, and sort.c). The apropos utility interfaces with the databases of mandocdb to provide semantic searching capabilities. It Works For Me, but will need lots of cleanup in the coming months.
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+.\" $Id$
+.\"
+.\" Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
+.\"
+.\" Permission to use, copy, modify, and distribute this software for any
+.\" purpose with or without fee is hereby granted, provided that the above
+.\" copyright notice and this permission notice appear in all copies.
+.\"
+.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+.\"
+.Dd $Mdocdate$
+.Dt APROPOS 1
+.Os
+.Sh NAME
+.Nm apropos
+.Nd search the manual page database
+.Sh SYNOPSIS
+.Nm
+.Op Fl eIr
+.Op Fl a Ar arch
+.Op Fl c Ar cat
+.Op Fl s Ar sort
+.Op Fl t Ar types
+.Ar key
+.Sh DESCRIPTION
+The
+.Nm
+utility queries the manual page database.
+Its arguments are as follows:
+.Bl -tag -width Ds
+.It Fl a Ar arch
+Search only for a particular architecture.
+.It Fl c Ar cat
+Search only for a category (manual section).
+See
+.Xr man 1
+for a listing of categories.
+.It Fl e
+Search only for exact matches (subject to
+.Fl I ) .
+.It Fl I
+Case-insensitive matching.
+.It Fl r
+Consider
+.Ar key
+to be a POSIX regular expression (subject to
+.Fl I ) .
+See
+.Xr re_format 7
+for a description of regular expressions.
+.It Fl s Ar sort
+Sorting type.
+Accepts
+.Ar cat
+to sort by category and then by title or
+.Ar title
+to sort by title (which is the default).
+.It Fl t Ar types
+Consider only types of keyword match, where
+.Ar types
+is a comma-separated list consisting of the following:
+.Ar name ,
+manual names;
+.Ar func ,
+function names;
+.Ar utility ,
+utility names;
+.Ar incl ,
+include files;
+.Ar var ,
+variable names;
+.Ar stand ,
+standards ;
+.Ar auth ,
+authors;
+.Ar conf ,
+configuration strings;
+.Ar desc ,
+descriptive text;
+.Ar xref ,
+cross-references.
+.Ar path ,
+file pathnames;
+.Ar env ,
+environment variables; or
+.Ar err ,
+error codes.
+Specifying
+.Ar all
+will search for all types.
+.It Ar key
+The search key.
+.El
+.Pp
+By default,
+.Nm
+searches for substring matches of
+.Ar key
+in manual names and descriptions
+and displays results by manual title.
+Output is formatted as
+.Pp
+.D1 title(cat) \- description
+.Pp
+Where
+.Qq title
+is the manual's title (note multiple manual names may exist for one
+title),
+.Qq cat
+is the category, and
+.Qq description
+is the manual's short description.
+If an architecture is specified for the manual, it is displayed as
+.Pp
+.D1 title(cat/arch) \- description
+.Pp
+Resulting manuals may be accessed as
+.Pp
+.Dl $ man -s cat title
+.Pp
+If an architecture is specified in the output, use
+.Pp
+.Dl $ man -s cat -S arch title
+.\" .Sh IMPLEMENTATION NOTES
+.\" Not used in OpenBSD.
+.\" .Sh RETURN VALUES
+.\" For sections 2, 3, & 9 only.
+.\" .Sh ENVIRONMENT
+.\" For sections 1, 6, 7, & 8 only.
+.\" .Sh FILES
+.Sh EXIT STATUS
+.Ex -std
+.Sh EXAMPLES
+Search for
+.Qq optind
+as a variable name in the library category:
+.Pp
+.Dl $ apropos -tvar -c 3 optind
+.Pp
+Search for all manuals referencing the term
+.Qq POSIX
+in any letter case:
+.Pp
+.Dl $ apropos -tall -I posix
+.\" .Sh DIAGNOSTICS
+.\" For sections 1, 4, 6, 7, & 8 only.
+.\" .Sh ERRORS
+.\" For sections 2, 3, & 9 only.
+.Sh SEE ALSO
+.Xr man 1 ,
+.Xr mandoc 1 ,
+.Xr re_format 7
+.\" .Sh STANDARDS
+.\" .Sh HISTORY
+.Sh AUTHORS
+The
+.Nm
+utility was written by
+.An Kristaps Dzonsons Aq kristaps@bsd.lv .
+.\" .Sh CAVEATS
+.\" .Sh BUGS
+.\" .Sh SECURITY CONSIDERATIONS
+.\" Not used in OpenBSD.