=================================================================== RCS file: /cvs/mandoc/apropos.1,v retrieving revision 1.13 retrieving revision 1.33 diff -u -p -r1.13 -r1.33 --- mandoc/apropos.1 2011/12/12 02:00:49 1.13 +++ mandoc/apropos.1 2014/08/22 04:52:55 1.33 @@ -1,6 +1,7 @@ -.\" $Id: apropos.1,v 1.13 2011/12/12 02:00:49 schwarze Exp $ +.\" $Id: apropos.1,v 1.33 2014/08/22 04:52:55 schwarze Exp $ .\" -.\" Copyright (c) 2011 Kristaps Dzonsons +.\" Copyright (c) 2011, 2012 Kristaps Dzonsons +.\" Copyright (c) 2011, 2012, 2014 Ingo Schwarze .\" .\" Permission to use, copy, modify, and distribute this software for any .\" purpose with or without fee is hereby granted, provided that the above @@ -14,55 +15,140 @@ .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. .\" -.Dd $Mdocdate: December 12 2011 $ +.Dd $Mdocdate: August 22 2014 $ .Dt APROPOS 1 .Os .Sh NAME -.Nm apropos +.Nm apropos , +.Nm whatis .Nd search manual page databases .Sh SYNOPSIS .Nm +.Op Fl acfkw .Op Fl C Ar file -.Op Fl M Ar manpath -.Op Fl m Ar manpath +.Op Fl M Ar path +.Op Fl m Ar path +.Op Fl O Ar outkey .Op Fl S Ar arch .Op Fl s Ar section .Ar expression ... .Sh DESCRIPTION The -.Nm -utility queries manual page databases generated by -.Xr mandocdb 8 , -evaluating on +.Nm apropos +and +.Nm whatis +utilities query manual page databases generated by +.Xr makewhatis 8 , +evaluating .Ar expression for each file in each database. -Its arguments are as follows: +By default, they display the names, section numbers, and description lines +of all matching manuals. +.Pp +By default, +.Nm +searches for +.Xr makewhatis 8 +databases in the default paths stipulated by +.Xr man 1 +and uses case-insensitive substring matching +.Pq the Cm = No operator +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 +is a synonym for +.Nm +.Fl f . +.Pp +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. +In +.Fl a +mode, the options +.Fl IOTW +described in the +.Xr mandoc 1 +manual are also available. .It Fl C Ar file Specify an alternative configuration .Ar file in .Xr man.conf 5 format. -.It Fl M Ar manpath +.It Fl c +In +.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 +option. +.It Fl k +Support the full +.Ar expression +syntax. +This overrides any earlier +.Fl f +option. +It is the default for +.Nm . +.It Fl M Ar path Use the colon-separated path instead of the default list of paths searched for -.Xr mandocdb 8 +.Xr makewhatis 8 databases. Invalid paths, or paths without manual databases, are ignored. -.It Fl m Ar manpath +.It Fl m Ar path Prepend the colon-separated paths to the list of paths searched for -.Xr mandocdb 8 +.Xr makewhatis 8 databases. Invalid paths, or paths without manual databases, are ignored. +.It Fl O Ar outkey +Show the values associated with the key +.Ar outkey +instead of the manual descriptions. .It Fl S Ar arch -Search only for a particular architecture. -.It Fl s Ar cat -Search only for a manual section. +Restrict the search to pages for the specified +.Xr machine 1 +architecture. +.Ar arch +is case insensitive. +By default, pages for all architectures are shown. +.It Fl s Ar section +Restrict the search to the specified section of the manual. +By default, pages from all sections are shown. See .Xr man 1 -for a listing of manual sections. +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 An @@ -89,34 +175,40 @@ True if both and .Ar expr2 are true (logical -.Qq and ) . +.Sq and ) . .It Ar expr1 Oo Fl o Oc Ar expr2 True if .Ar expr1 and/or .Ar expr2 evaluate to true (logical -.Qq or ) . +.Sq or ) . .It Ar term True if .Ar term is satisfied. This has syntax -.Li [key[,key]*(=~)]?val , -where operand -.Cm key +.Sm off +.Oo +.Op Ar key Op , Ar key ... +.Pq Cm = | ~ +.Oc +.Ar val , +.Sm on +where +.Ar key is an .Xr mdoc 7 macro to query and -.Cm val +.Ar val is its value. See .Sx Macro Keys for a list of available keys. Operator -.Li \&= +.Cm = evaluates a substring, while -.Li \&~ +.Cm ~ evaluates a regular expression. .It Fl i Ar term If @@ -126,46 +218,33 @@ is evaluated case-insensitively. Has no effect on substring terms. .El .Pp -By default, -.Nm -searches for -.Xr mandocdb 8 -databases in the default paths stipulated by -.Xr man 1 , -parses terms as case-sensitive regular expressions -.Pq the Li \&~ operator -over manual names and descriptions -.Pq the Li \&Nm No and Li \&Nd No macro keys . -Multiple terms imply pairwise -.Fl o . -Results are sorted by manual title, with output formatted as +Results are sorted by manual sections and names, with output formatted as .Pp -.D1 title(sec) \- description +.D1 name[, name...](sec) \- description .Pp Where -.Qq title -is the manual's title (note multiple manual names may exist for one -title), -.Qq sec +.Dq name +is the manual's name, +.Dq sec is the manual section, and -.Qq description +.Dq 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 +.D1 name(sec/arch) \- description .Pp Resulting manuals may be accessed as .Pp -.Dl $ man \-s sec title +.Dl $ man \-s sec name .Pp If an architecture is specified in the output, use .Pp -.Dl $ man \-s sec \-S arch title +.Dl $ man \-s sec \-S arch name .Ss Macro Keys Queries evaluate over a subset of .Xr mdoc 7 macros indexed by -.Xr mandocdb 8 . +.Xr makewhatis 8 . In addition to the macro keys listed below, the special key .Cm any may be used to match any available macro key. @@ -174,6 +253,8 @@ Names and description: .Bl -column "xLix" description -offset indent -compact .It Li \&Nm Ta manual name .It Li \&Nd Ta one-line manual description +.It Li arch Ta machine architecture (case-insensitive) +.It Li sec Ta manual section number .El .Pp Sections and cross references: @@ -237,24 +318,43 @@ Text production: .It Li \&Dx Ta Dx No version reference .El .Sh ENVIRONMENT -.Bl -tag -width Ds +.Bl -tag -width MANPAGER +.It Ev MANPAGER +Any non-empty value of the environment variable +.Ev MANPAGER +will be used instead of the standard pagination program, +.Xr more 1 . .It Ev MANPATH -Colon-separated paths overriding the default list of paths searched for -manual databases. +The standard search path used by +.Xr man 1 +may be changed by specifying a path in the +.Ev MANPATH +environment variable. Invalid paths, or paths without manual databases, are ignored. Overridden by .Fl M . +If +.Ev MANPATH +begins with a colon, it is appended to the default list; +if it ends with a colon, it is prepended to the default list; +or if it contains two adjacent colons, +the standard search path is inserted between the colons. +If none of these conditions are met, it overrides the +standard search path. +.It Ev PAGER +Specifies the pagination program to use when +.Ev MANPAGER +is not defined. +If neither PAGER nor MANPAGER is defined, +.Pa /usr/bin/more Fl s +will be used. .El .Sh FILES .Bl -tag -width "/etc/man.conf" -compact .It Pa mandoc.db name of the -.Xr mandocdb 8 +.Xr makewhatis 8 keyword database -.It Pa mandoc.index -name of the -.Xr mandocdb 8 -filename database .It Pa /etc/man.conf default .Xr man 1 @@ -264,36 +364,102 @@ configuration file .Ex -std .Sh EXAMPLES Search for -.Qq mdoc -as a substring and regular expression -within each manual name and description: +.Qq .cf +as a substring of manual names and descriptions: .Pp -.Dl $ apropos mdoc -.Dl $ apropos ~^mdoc$ +.Dl $ apropos .cf .Pp Include matches for -.Qq roff +.Qq .cnf and -.Qq man -for the regular expression case: +.Qq .conf +as well: .Pp -.Dl $ apropos ~^mdoc$ roff man -.Dl $ apropos ~^mdoc$ \-o roff \-o man +.Dl $ apropos .cf .cnf .conf .Pp -Search for +Search in names and descriptions using a regular expression: +.Pp +.Dl $ apropos '~set.?[ug]id' +.Pp +Search for manuals in the library section mentioning both the .Qq optind -and +and the .Qq optarg -as variable names in the library category: +variables: .Pp -.Dl $ apropos \-s 3 Va~^optind \-a Va~^optarg$ +.Dl $ apropos \-s 3 Va=optind \-a Va=optarg +.Pp +Do exactly the same as calling +.Xr whatis 1 +with the argument +.Qq ssh : +.Pp +.Dl $ apropos \-\- \-i 'Nm~[[:<:]]ssh[[:>:]]' +.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 sec~^ Ns Ar section Ns Li $ +.Ed .Sh SEE ALSO .Xr man 1 , .Xr re_format 7 , -.Xr mandocdb 8 -.Sh AUTHORS +.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 was written by -.An Kristaps Dzonsons , -.Mt kristaps@bsd.lv . +and +.Nm whatis +utilities first appeared in +.Bx 2 . +They were rewritten from scratch for +.Ox 5.6 . +.Pp +The +.Fl M +option and the +.Ev MANPATH +variable first appeared in +.Bx 4.3 ; +.Fl m +in +.Bx 4.3 Reno ; +.Fl C +in +.Bx 4.4 Lite1 ; +and +.Fl S +and +.Fl s +in +.Ox 4.5 +for +.Nm +and in +.Ox 5.6 +for +.Nm whatis . +.Sh AUTHORS +.An -nosplit +.An Bill Joy +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 +and +.An Ingo Schwarze Aq Mt schwarze@openbsd.org .