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Diff for /mandoc/apropos.1 between version 1.28 and 1.42

version 1.28, 2014/04/18 10:30:37

version 1.42, 2017/03/18 19:51:19

Line 1

.\" $Id$

.\"

.\" Permission to use, copy, modify, and distribute this software for any

.\" purpose with or without fee is hereby granted, provided that the above

Line 24

.Nd search manual page databases

.Sh SYNOPSIS

.Nm

.Op Fl acfhklw

.Op Fl C Ar file

.Op Fl M Ar path

.Op Fl m Ar path

Line 41 utilities query manual page databases generated by

Line 42 utilities query manual page databases generated by

evaluating

.Ar expression

for each file in each database.

By default, it displays the names, section numbers, and description lines

By default, they display the names, section numbers, and description lines

of all matching manuals.

.Pp

By default,

Line 56 over manual names and descriptions

Line 57 over manual names and descriptions

.Pq the Li \&Nm No and Li \&Nd No macro keys .

Multiple terms imply pairwise

.Fl o .

.Pp

.Nm whatis

maps terms only to case-sensitive manual names.

is a synonym for

.Nm

.Fl f .

.Pp

Its arguments are as follows:

The options are as follows:

.Bl -tag -width Ds

.It Fl a

Instead of showing only the title lines, show the complete manual pages,

just like

.Xr man 1

.Fl a

would.

If the standard output is a terminal device and

.Fl c

is not specified, use

.Xr more 1

to paginate them.

.Fl a

mode, the options

.Fl IKOTW

described in the

.Xr mandoc 1

manual are also available.

.It Fl C Ar file

Specify an alternative configuration

.Ar file

.Xr man.conf 5

format.

.It Fl c

.Fl a

mode, copy the formatted manual pages to the standard output without using

.Xr more 1

to paginate them.

.It Fl f

Search for all words in

.Ar expression

in manual page names only.

The search is case insensitive and matches whole words only.

In this mode, macro keys, comparison operators, and logical operators

are not available.

This overrides any earlier

.Fl k

and

.Fl l

options.

.It Fl h

Instead of showing the title lines, show the SYNOPSIS sections, just like

.Xr man 1

.Fl h

would.

.It Fl k

Support the full

.Ar expression

syntax.

This overrides any earlier

.Fl f

and

.Fl l

options.

It is the default for

.Nm .

.It Fl l

An alias for

.Xr mandoc 1

.Fl a .

This overrides any earlier

.Fl f ,

.Fl k ,

and

.Fl w

options.

.It Fl M Ar path

Use the colon-separated path instead of the default list of paths

searched for

Line 96 By default, pages from all sections are shown.

Line 162 By default, pages from all sections are shown.

See

.Xr man 1

for a listing of sections.

.It Fl w

Instead of showing title lines, show the pathnames of the matching

manual pages, just like

.Xr man 1

.Fl w

would.

.El

.Pp

Line 138 This has syntax

Line 210 This has syntax

.Sm off

.Oo

.Op Ar key Op , Ar key ...

.Pq Cm = | ~

.Pq Cm = | \(ti

.Oc

.Ar val

.Ar val ,

.Sm on ,

.Sm on

where

.Ar key

is an

Line 155 for a list of available keys.

Line 227 for a list of available keys.

Operator

.Cm =

evaluates a substring, while

.Cm ~

.Cm \(ti

evaluates a regular expression.

.It Fl i Ar term

Line 165 is evaluated case-insensitively.

Line 237 is evaluated case-insensitively.

Has no effect on substring terms.

.El

.Pp

.Nm whatis

Results are sorted according to the following criteria:

considers an

.Bl -enum

.Ar expression

.It

to consist of an opaque keyword.

The manpath directory tree the page is found in, according to the

order specified with

.Fl M ,

.Fl m ,

the

.Ev MANPATH

environment variable, the

.Xr man.conf 5

configuration file, or the default documented in

.Xr man.conf 5 .

.It

The section number in ascending numerical order.

.It

The page name in ascending

.Xr ascii 7

alphabetical order, case-insensitive.

.El

.Pp

Results are sorted by manual sections and names, with output formatted as

Each output line is formatted as

.Pp

.D1 name[, name...](sec) \- description

.Pp

Line 270 Text production:

Line 358 Text production:

.It Li \&Dx Ta Dx No version reference

.El

.Sh ENVIRONMENT

.Bl -tag -width MANPATH

.Bl -tag -width MANPAGER

.It Ev MANPAGER

Any non-empty value of the environment variable

.Ev MANPAGER

is used instead of the standard pagination program,

.Xr more 1 ;

see

.Xr man 1

for details.

Only used if

.Fl a

.Fl l

is specified.

.It Ev MANPATH

The standard search path used by

A colon-separated list of directories to search for manual pages; see

.Xr man 1

may be changed by specifying a path in the

for details.

.Ev MANPATH

environment variable.

Invalid paths, or paths without manual databases, are ignored.

Overridden by

.Fl M .

.Fl M ,

ignored if

.Ev MANPATH

.Fl l

begins with a colon, it is appended to the default list;

is specified.

if it ends with a colon, it is prepended to the default list;

.It Ev PAGER

or if it contains two adjacent colons,

Specifies the pagination program to use when

the standard search path is inserted between the colons.

.Ev MANPAGER

If none of these conditions are met, it overrides the

is not defined.

standard search path.

If neither PAGER nor MANPAGER is defined,

.Xr more 1

.Fl s

is used.

Only used if

.Fl a

.Fl l

is specified.

.El

.Sh FILES

.Bl -tag -width "/etc/man.conf" -compact

Line 319 as well:

Line 425 as well:

.Pp

Search in names and descriptions using a regular expression:

.Pp

.Dl $ apropos '~set.?[ug]id'

.Dl $ apropos \(aq\(tiset.?[ug]id\(aq

.Pp

Search for manuals in the library section mentioning both the

.Qq optind

Line 334 Do exactly the same as calling

Line 440 Do exactly the same as calling

with the argument

.Qq ssh :

.Pp

.Dl $ apropos \-\- \-i 'Nm~[[:<:]]ssh[[:>:]]'

.Dl $ apropos \-\- \-i \(aqNm\(ti[[:<:]]ssh[[:>:]]\(aq

.Pp

The following two invocations are equivalent:

.Pp

.D1 Li $ apropos -S Ar arch Li -s Ar section expression

.Bd -ragged -offset indent

.Li $ apropos \e( Ar expression Li \e)

.Li -a arch~^( Ns Ar arch Ns Li |any)$

.Li -a arch\(ti^( Ns Ar arch Ns Li |any)$

.Li -a sec~^ Ns Ar section Ns Li $

.Li -a sec\(ti^ Ns Ar section Ns Li $

.Ed

.Sh SEE ALSO

.Xr man 1 ,

.Xr re_format 7 ,

.Xr makewhatis 8

.Sh HISTORY

Part of the functionality of

.Nm whatis

was already provided by the former

.Nm manwhere

utility in

.Bx 1 .

The

.Nm

utility first appeared in

and

.Nm whatis

utilities first appeared in

.Bx 2 .

It was rewritten from scratch for

They were rewritten from scratch for

.Ox 5.6 .

.Pp

The

Line 373 and

Line 487 and

and

.Fl s

.Ox 4.5 .

.Ox 4.5

for

.Nm

and in

.Ox 5.6

for

.Nm whatis .

The options

.Fl acfhIKklOTWw

appeared in

.Ox 5.7 .

.Sh AUTHORS

.An -nosplit

.An Bill Joy

wrote the original

wrote

.Nm manwhere

in 1977 and the original

.Bx

.Nm

and

.Nm whatis

in February 1979.

The current version was written by

.An Kristaps Dzonsons Aq Mt kristaps@bsd.lv

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