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ri.1: rewrite ri man page

* man/ri.1: update the (very outdated) ri man page:
  * update document date
  * fix document title formatting and volume name
  * update descriptions and options to current ri --help text
  * fix some mdoc formatting errors (missing escaping of `\',
    wrong macro for bullet list items)
  * various rewordings and other improvements

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58410 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
stomar 2017-04-20 07:44:54 +00:00
parent 3d709948f7
commit 760472349d

228
man/ri.1
View file

@ -1,47 +1,56 @@
.\"Ruby is copyrighted by Yukihiro Matsumoto <matz@netlab.jp>.
.Dd July 10, 2013
.Dt RI(1) "" "Ruby Programmers Reference Guide"
.Dd April 20, 2017
.Dt RI \&1 "Ruby Programmer's Reference Guide"
.Os UNIX
.Sh NAME
.Nm ri
.Nd Ruby API reference front end
.Sh SYNOPSIS
.Nm
.Op Fl alTi
.Op Fl d Ar directory
.Op Fl f Ar format
.Op Fl w Ar width
.Op Fl -server Ns [= Ns Ar PORT Ns ]
.Op Fl -no-standard-docs
.Op Fl ahilTv
.Op Fl d Ar DIRNAME
.Op Fl f Ar FORMAT
.Op Fl w Ar WIDTH
.Op Fl - Ns Oo Cm no- Oc Ns Cm pager
.Op Fl -server Ns Oo = Ns Ar PORT Oc
.Op Fl - Ns Oo Cm no- Oc Ns Cm list-doc-dirs
.Op Fl -no-standard-docs
.Op Fl - Ns Oo Cm no- Oc Ns Bro Cm system Ns | Ns Cm site Ns | Ns Cm gems Ns | Ns Cm home Brc
.Op Ar target ...
.Op Fl - Ns Oo Cm no- Oc Ns Cm profile
.Op Fl -dump Ns = Ns Ar CACHE
.Op Ar name ...
.Sh DESCRIPTION
.Nm
is a CLI front end for the Ruby API reference.
You can search and read API reference for classes and methods with
is a command-line front end for the Ruby API reference.
You can search and read the API reference for classes and methods with
.Nm .
.Pp
.Nm
is a part of Ruby.
.Pp
.Ar target
can be one of the following forms:
.Ar name
can be:
.Bl -diag -offset indent
.It Class
for classes
.It Class::method
for class methods
.It Class#method
for instance methods
.It Class.method
for both class and instance methods
.It method
for both class and instance methods
.It Class | Module | Module::Class
.Pp
.It Class::method | Class#method | Class.method | method
.Pp
.It gem_name: | gem_name:README | gem_name:History
.El
.Pp
All class names may be abbreviated to their minimum unambiguous form. If a name
is ambiguous, all valid options will be listed.
All class names may be abbreviated to their minimum unambiguous form.
If a name is ambiguous, all valid options will be listed.
.Pp
A
.Ql \&.
matches either class or instance methods, while #method
matches only instance and ::method matches only class methods.
.Pp
README and other files may be displayed by prefixing them with the gem name
they're contained in. If the gem name is followed by a
.Ql \&:
all files in the gem will be shown.
The file name extension may be omitted where it is unambiguous.
.Pp
For example:
.Bd -literal -offset indent
@ -49,23 +58,51 @@ ri Fil
ri File
ri File.new
ri zip
ri rdoc:README
.Ed
.Pp
Note that shell quoting may be required for method names containing
punctuation:
Note that shell quoting or escaping may be required for method names
containing punctuation:
.Bd -literal -offset indent
ri 'Array.[]'
ri compact\!
ri compact\e!
.Ed
.Pp
To see the default directories
.Nm
will search, run:
.Bd -literal -offset indent
ri --list-doc-dirs
.Ed
.Pp
Specifying the
.Fl -system , Fl -site , Fl -home , Fl -gems ,
or
.Fl -doc-dir
options will limit
.Nm
to searching only the specified directories.
.Pp
.Nm
options may be set in the
.Ev RI
environment variable.
.Pp
The
.Nm
pager can be set with the
.Ev RI_PAGER
environment variable or the
.Ev PAGER
environment variable.
.Pp
.Sh OPTIONS
.Bl -tag -width "1234567890123" -compact
.Pp
.It Fl -help
Show help and exit.
.Pp
.It Fl v
.It Fl -version
Output version information and exit.
.It Fl i
.It Fl - Ns Oo Cm no- Oc Ns Cm interactive
In interactive mode you can repeatedly
look up methods with autocomplete.
.Pp
.It Fl a
.It Fl - Ns Oo Cm no- Oc Ns Cm all
@ -77,115 +114,134 @@ List classes
.Nm
knows about.
.Pp
.It Fl - Ns Oo Cm no- Oc Ns Cm pager
Send output to a pager,
rather than directly to stdout.
.Pp
.It Fl T
.It Fl -no-pager
Send output directly to stdout, rather than to a pager.
Synonym for
.Fl -no-pager .
.Pp
.It Fl d Ar directory
.It Fl -doc-dir Ns = Ns Ar directory
List of directories from which to source documentation in addition to the standard
directories. May be repeated.
.It Fl w Ar WIDTH
.It Fl -width Ns = Ns Ar WIDTH
Set the width of the output.
.Pp
.It Fl -server Ns [= Ns Ar PORT Ns ]
Run RDoc server on the given port. The default port is 8214.
.It Fl -server Ns Oo = Ns Ar PORT Oc
Run RDoc server on the given port.
The default port is\~8214.
.Pp
.It Fl f Ar FORMAT
.It Fl -format Ns = Ns FORMAT
Format to use when displaying output:
.It Fl -format Ns = Ns Ar FORMAT
Use the selected formatter.
The default formatter is
.Li bs
for paged output and
.Li ansi
otherwise.
Valid formatters are:
.Li ansi , Li bs , Li markdown , Li rdoc .
.Pp
ansi, bs, markdown, rdoc
.It Fl h
.It Fl -help
Show help and exit.
.Pp
Use 'bs' (backspace) with most pager programs. To use ANSI, either disable the
pager or tell the pager to allow control characters.
.It Fl v
.It Fl -version
Output version information and exit.
.El
.Pp
.It Fl i
.It Fl - Ns Oo Cm no- Oc Ns Cm interactive
This makes
.Nm
go into interactive mode.
.Pp
When
.Nm
is in interactive mode it will allow the user to disambiguate lists of
methods in case multiple methods match against a method search string. It also
will allow the user to enter in a method name (with auto-completion, if readline
is supported) when viewing a class.
Data source options:
.Bl -tag -width "1234567890123" -compact
.Pp
.It Fl - Ns Oo Cm no- Oc Ns Cm list-doc-dirs
List the directories from which ri will source documentation on stdout and exit.
List the directories from which
.Nm
will source documentation on stdout and exit.
.Pp
.It Fl d Ar DIRNAME
.It Fl -doc-dir Ns = Ns Ar DIRNAME
List of directories from which to source
documentation in addition to the standard
directories. May be repeated.
.Pp
.It Fl -no-standard-docs
Do not include documentation from the Ruby standard library,
.Pa site_lib ,
installed gems, or
.Pa ~/.rdoc .
.Pp
Equivalent to specifying the options
.Fl -no-system , Fl -no-site , Fl -no-gems ,
and
.Fl -no-home .
Use with
.Fl -doc-dir .
.Pp
.It Fl - Ns Oo Cm no- Oc Ns Cm system
Include documentation from Ruby's standard library. Defaults to true.
.Pp
.It Fl - Ns Oo Cm no- Oc Ns Cm site
Include documentation from libraries installed in site_lib. Defaults to true.
Include documentation from libraries installed in
.Pa site_lib .
Defaults to true.
.Pp
.It Fl - Ns Oo Cm no- Oc Ns Cm gems
Include documentation from RubyGems. Defaults to true.
Include documentation from RubyGems. Defaults to true.
.Pp
.It Fl - Ns Oo Cm no- Oc Ns Cm home
Include documentation stored in ~/.rdoc. Defaults to true.
Include documentation stored in
.Pa ~/.rdoc .
Defaults to true.
.El
.Pp
.It Fl w Ar width
.It Fl -width Ns = Ns Ar width
Set the width of the output.
Debug options:
.Bl -tag -width "1234567890123" -compact
.Pp
.It Fl - Ns Oo Cm no- Oc Ns Cm profile
Run with the Ruby profiler.
.Pp
.It Fl -dump Ns = Ns Ar CACHE
Dump data from an ri cache or data file.
.El
.Pp
.Sh ENVIRONMENT
.Bl -tag -width "USERPROFILE" -compact
.Pp
.It Ev RI
Additional options.
Options to prepend to those specified on the command-line.
.Pp
.It Ev RI_PAGER
.It Ev PAGER
Used as the name of pager program for displaying.
Pager program to use for displaying.
.Pp
.It Ev HOME
.It Ev USERPROFILE
.It Ev HOMEPATH
Path to user's home directory.
Path to the user's home directory.
.El
.Pp
.Sh FILES
.Bl -tag -width "USERPROFILE" -compact
.Pp
.It Pa ~/.ri
Caches recently referenced documents here.
.Pp
.It Pa ~/.rdoc
Searches user-wide documents here.
Path for ri data in the user's home directory.
.Pp
.El
.Pp
.Sh SEE ALSO
.Xr ruby 1
.Xr rdoc 1
.Xr ruby 1 ,
.Xr rdoc 1 ,
.Xr gem 1
.Pp
.Sh REPORTING BUGS
.Bl -bullet
.Li Security vulnerabilities should be reported via an email to
.Aq security@ruby-lang.org .
.It
Security vulnerabilities should be reported via an email to
.Mt security@ruby-lang.org .
Reported problems will be published after being fixed.
.Pp
.Li And you can report other bugs and feature requests via the
.It
Other bugs and feature requests can be reported via the
Ruby Issue Tracking System
.Pq Lk https://bugs.ruby-lang.org/ .
Do not report security vulnerabilities
via the system because it publishes the vulnerabilities immediately.
via this system because it publishes the vulnerabilities immediately.
.El
.Sh AUTHORS
Written by Dave Thomas
.Aq dave@pragmaticprogrammer.com
Written by
.An Dave Thomas Aq dave@pragmaticprogrammer.com .