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#!/usr/bin/env ruby require 'tk' TkRoot.new {title "Ruby is fun!" } TkLabel.new { font TkFont.new( 'mistral 42' ) text "Ruby is fun, in case you didn't notice!" width 30 height 3 fg 'blue' pack } TkButton.new { text 'Quit' command 'exit' pack } Tk.mainloop