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#!/usr/bin/ruby1.9.1
#
#   irb.rb - interactive ruby
#   	$Release Version: 0.9.6 $
#   	$Revision: 25189 $
#   	by Keiju ISHITSUKA(keiju@ruby-lang.org)
#

require "irb"

if __FILE__ == $0
  IRB.start(__FILE__)
else
  # check -e option
  if /^-e$/ =~ $0
    IRB.start(__FILE__)
  else
    IRB.setup(__FILE__)
  end
end