method

print_usage

Ruby latest stable (v2_5_5) - 0 notes - Class: IRB

1_8_6_287 (0)
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2_1_10 (38)
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print_usage() public

Outputs the irb help message, see IRB@Command+line+options.

# File lib/irb/help.rb, line 17
  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

print_usage

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