Ruby is unique among object-oriented scripting
languages. It was designed and developed in the mid-1990s by Yukihiro "Matz" Matsumoto in Japan. In a sense, it's a purist's language for those
who love object-oriented languages.
Everything, without exception, is
automatically an object, whereas in other programming languages this isn't
true.
There are libraries
for building all types of applications with Ruby: XML parsers, GUI bindings, networking protocols, game libraries and more. Ruby
programmers also have access to the powerful RubyGems program. Comparable to Perl's CPAN, RubyGems makes it easy to import other programmers'
libraries into your own programs.
The name "Ruby”
The name "Ruby" originated during an online
chat session between Matsumoto and Keiju Ishitsuka on February 24, 1993, before
any code had been written for the language. Initially
two names were proposed: "Coral" and "Ruby".
Matsumoto chose the latter in a later e-mail to Ishitsuka. Matsumoto later noted a factor in
choosing the name "Ruby" – it was the birthstone of
one of his colleagues.
Applications and Tools Needed for Ruby
·
The Ruby interpreter
·
A text editor such as Notepad++, Scite or Vim. Word processors such as Wordpad or
Microsoft Word are not suitable.
·
Command-line access. Though the details
of this differ from platform to platform, Linux, Windows and OSX all have this
available without any extra downloads or software installation.
Releases of Ruby
Following the release of Ruby 0.95 in 1995, several versions of
Ruby were released in the following years:
·
Ruby 1.0: December 25,
1996
·
Ruby 1.2: December
1998
·
Ruby 1.4: August 1999
·
Ruby 1.6: September
2000
·
Ruby 1.8 : August 2003
·
Ruby 1.9 : December 2007
·
Ruby 1.9.3 : October 31, 2011
·
Ruby 2.0.0 : February 24, 2013
·
Ruby 2.1.0 : December 25 2013
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