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Ruby Home Page. Everything you could want, including many of the items below.
Ruby Documentation Page. Manuals, guides, references, tutorials, including especially:
- Programming Ruby: The Pragmatic Programmer's Guide (PPG) -- Good online textbook, though now dated (2001)
Ruby Download Page -- the latest stable ruby: ruby-2.0.0.
Versions of Ruby:
- The PPG textbook above uses Ruby 1.6.
- The 3rd (2009) Edition of this book is for Ruby 1.9: 1000 pages, available for $31.00 or used for $7.59 at Amazon.com.
- Ruby 1.8.7 is on the elk machines.
- A stable Ruby 2.0.0 is just now available (see ruby home page above).
Other Textbooks: A very large number of textbooks are available for Ruby, including:
- Eloquent Ruby, (2011), 448 pages, available for $31.80 at Amazon.
Free Online Tutorial.
- Tutorialspoint Site A great deal of information is available through further links on this page.
"A Quick Introduction to Perl"
- Notes by Hugh Maynard, 28 pages.
(Discussion of detailed features of Perl, focusing on systems
programming. All these features are available
in Ruby and many in the same form. We will skip almost all of
this stuff and instead focus on Ruby as a general purpose
programming language.)
Revision date: 2013-11-05. (Please use ISO 8601, the International Standard Date and Time Notation.)