1#!/usr/bin/env ruby 2require 'tk' 3 4#unless /^8\.[1-9]/ =~ Tk::TCL_VERSION && !Tk::JAPANIZED_TK 5# require 'tkencoding' 6#end 7 8TkButton.new(nil, 9 'text'=>"Hello Ruby world!", 10 'font'=>TkFont.new('k14'), 11 'command'=>proc{print "Hello Ruby world!\n"; exit} 12).pack 13 14Tk.mainloop 15