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Filename : help.rb

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#
#   irb/help.rb - print usage module
#   	$Release Version: 0.9.6$
#   	$Revision: 38515 $
#   	by Keiju ISHITSUKA(keiju@ishitsuka.com)
#
# --
#
#
#

require 'irb/magic-file'

module IRB
  # Outputs the irb help message, see IRB@Command+line+options.
  def IRB.print_usage
    lc = IRB.conf[:LC_MESSAGES]
    path = lc.find("irb/help-message")
    space_line = false
    IRB::MagicFile.open(path){|f|
      f.each_line do |l|
	if /^\s*$/ =~ l
	  lc.puts l unless space_line
	  space_line = true
	  next
	end
	space_line = false

	l.sub!(/#.*$/, "")
	  next if /^\s*$/ =~ l
	lc.puts l
      end
    }
  end
end