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 Ruby user's guideWhat is ruby? 

Ruby is "an interpreted scripting language for quick and easy object-oriented programming"; what does this mean?

interpreted scripting language:

  • ability to make operating system calls directly
  • powerful string operations and regular expressions
  • immediate feedback during development

quick and easy:

  • variable declarations are unnecessary
  • variables are not typed
  • syntax is simple and consistent
  • memory management is automatic

object oriented programming:

  • everything is an object
  • classes, inheritance, methods, etc.
  • singleton methods
  • mixin by module
  • iterators and closures

also:

  • multiple precision integers
  • exception processing model
  • dynamic loading
  • threads

If you are unfamiliar with some of the concepts above, read on, and don't worry. The mantra of the ruby language is quick and easy.


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For authoritative source of the documentation, please refer to http://www.ruby-doc.org/docs/