    # File lib/rbot/language.rb, line 107
        def scan
          @strings = Hash.new
          current_key = nil
          IO.foreach(@file) {|l|
            next if l =~ /^$/
            next if l =~ /^\s*#/
            if(l =~ /^(\S+):$/)
              @strings[$1] = Array.new
              current_key = $1
            elsif(l =~ /^\s*(.*)$/)
              @strings[current_key] << $1
            end
          }
        end