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* man/ruby.1: Ruby man page from Arthur Gunn in [ruby-core:33412]

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@ -1,3 +1,7 @@
Sat Nov 27 12:07:05 2010 Yukihiro Matsumoto <matz@ruby-lang.org>
* man/ruby.1: Ruby man page from Arthur Gunn in [ruby-core:33412]
Sat Nov 27 11:29:24 2010 Nobuyoshi Nakada <nobu@ruby-lang.org> Sat Nov 27 11:29:24 2010 Nobuyoshi Nakada <nobu@ruby-lang.org>
* lib/optparse.rb (OptionParser#candidate): get rid of 1.9 syntax * lib/optparse.rb (OptionParser#candidate): get rid of 1.9 syntax

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man/ruby.1
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@ -37,7 +37,7 @@ straight-forward, and extensible.
.Pp .Pp
If you want a language for easy object-oriented programming, or you If you want a language for easy object-oriented programming, or you
don't like the Perl ugliness, or you do like the concept of LISP, but don't like the Perl ugliness, or you do like the concept of LISP, but
don't like too much parentheses, Ruby may be the language of your don't like too many parentheses, Ruby might be your language of
choice. choice.
.Sh FEATURES .Sh FEATURES
Ruby's features are as follows: Ruby's features are as follows:
@ -53,7 +53,7 @@ time check.
.Pp .Pp
.It Sy "No declaration needed" .It Sy "No declaration needed"
You can use variables in your Ruby programs without any declarations. You can use variables in your Ruby programs without any declarations.
Variable names denote their scope, local, global, instance, etc. Variable names denote their scope - global, class, instance, or local.
.Pp .Pp
.It Sy "Simple syntax" .It Sy "Simple syntax"
Ruby has a simple syntax influenced slightly from Eiffel. Ruby has a simple syntax influenced slightly from Eiffel.
@ -64,11 +64,11 @@ from anywhere are automatically collected by the garbage collector
built into the interpreter. built into the interpreter.
.Pp .Pp
.It Sy "Everything is an object" .It Sy "Everything is an object"
Ruby is the purely object-oriented language, and was so since its Ruby is a purely object-oriented language, and was so since its
creation. Even such basic data as integers are seen as objects. creation. Even such basic data as integers are seen as objects.
.Pp .Pp
.It Sy "Class, inheritance, and methods" .It Sy "Class, inheritance, and methods"
Of course, as an object-oriented language, Ruby has such basic Being an object-oriented language, Ruby naturally has basic
features like classes, inheritance, and methods. features like classes, inheritance, and methods.
.Pp .Pp
.It Sy "Singleton methods" .It Sy "Singleton methods"
@ -81,7 +81,7 @@ to.
.It Sy "Mix-in by modules" .It Sy "Mix-in by modules"
Ruby intentionally does not have the multiple inheritance as it is a Ruby intentionally does not have the multiple inheritance as it is a
source of confusion. Instead, Ruby has the ability to share source of confusion. Instead, Ruby has the ability to share
implementations across the inheritance tree. This is often called implementations across the inheritance tree. This is often called a
.Sq Mix-in . .Sq Mix-in .
.Pp .Pp
.It Sy "Iterators" .It Sy "Iterators"
@ -90,7 +90,7 @@ Ruby has iterators for loop abstraction.
.It Sy "Closures" .It Sy "Closures"
In Ruby, you can objectify the procedure. In Ruby, you can objectify the procedure.
.Pp .Pp
.It Sy "Text processing and regular expression" .It Sy "Text processing and regular expressions"
Ruby has a bunch of text processing features like in Perl. Ruby has a bunch of text processing features like in Perl.
.Pp .Pp
.It Sy "M17N, character set independent" .It Sy "M17N, character set independent"
@ -102,8 +102,8 @@ different character encodings, without dependence on Unicode.
With built-in bignums, you can for example calculate factorial(400). With built-in bignums, you can for example calculate factorial(400).
.Pp .Pp
.It Sy "Reflection and domain specific languages" .It Sy "Reflection and domain specific languages"
Class is also an instance of Class class. Definition of classes and methods Class is also an instance of the Class class. Definition of classes and methods
is just an expression as 1+1 is. So your programs can even write and modify programs. is an expression just as 1+1 is. So your programs can even write and modify programs.
Thus you can write your application in your own programming language on top of Ruby. Thus you can write your application in your own programming language on top of Ruby.
.Pp .Pp
.It Sy "Exception handling" .It Sy "Exception handling"
@ -209,7 +209,7 @@ on machines that don't support it, in the following manner:
Turns on taint checks at the specified level (default 1). Turns on taint checks at the specified level (default 1).
.Pp .Pp
.It Fl U .It Fl U
Sets the defalut value for internal encodings Sets the default value for internal encodings
.Pf ( Li "Encoding.default_internal" ) to UTF-8. .Pf ( Li "Encoding.default_internal" ) to UTF-8.
.Pp .Pp
.It Fl W Ns Op Ar level=2 .It Fl W Ns Op Ar level=2
@ -259,7 +259,7 @@ will be set to true.
.Pp .Pp
.It Fl e Ar command .It Fl e Ar command
Specifies script from command-line while telling Ruby not to search Specifies script from command-line while telling Ruby not to search
the rest of arguments for a script file name. the rest of the arguments for a script file name.
.Pp .Pp
.It Fl h .It Fl h
.It Fl -help .It Fl -help
@ -367,7 +367,7 @@ must be specified with either
.Li EOF , .Li EOF ,
.Li "^D" ( Li "control-D" ) , .Li "^D" ( Li "control-D" ) ,
.Li "^Z" ( Li "control-Z" ) , .Li "^Z" ( Li "control-Z" ) ,
or reserved word or the reserved word
.Li __END__ . .Li __END__ .
If the directory name is specified, Ruby will switch to that directory If the directory name is specified, Ruby will switch to that directory
before executing script. before executing script.
@ -474,7 +474,7 @@ environment variable on calling Kernel#system.
This variable is obsolete. This variable is obsolete.
.El .El
.Pp .Pp
And Ruby depends on some RubyGems related environment variables unless disabled RubyGems. And Ruby depends on some RubyGems related environment variables unless RubyGems is disabled.
See the help of See the help of
.Xr gem 1 .Xr gem 1
as bellow. as bellow.
@ -497,7 +497,7 @@ Ruby Application Archive.
.Li Security vulnerabilities should be reported via an email to .Li Security vulnerabilities should be reported via an email to
.Aq security@ruby-lang.org Ns .Aq security@ruby-lang.org Ns
.Li . .Li .
Reported problems will be published after fixed. Reported problems will be published after they've been fixed.
.Pp .Pp
.Li And you can report other bugs and feature requests via the .Li And you can report other bugs and feature requests via the
Ruby Issue Tracking System (http://redmine.ruby-lang.org). Ruby Issue Tracking System (http://redmine.ruby-lang.org).