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In this screencast Renzo Borgatti introduces MacRuby, a Mac OS X implementation of the Ruby language. After a brief introduction and some examples from the command line, Renzo guides us in building an application with Xcode and, finally, with HotCocoa, an idiomatic library that allows us to program graphical interfaces...

by Alex Vollmer and Geoffrey Grosenbach MacRuby takes the “almost” out of “almost a desktop experience.” With MacRuby, you can write real Mac OS X desktop applications with Ruby. MacRuby is a Ruby interpreter built by Apple on top of Objective-C. Unlike other scripting interfaces to the Cocoa frameworks, MacRuby...