scan (Irc::Keywords)

    # File rbot/keywords.rb, line 68
        def scan
          Dir["#{@bot.botclass}/keywords/*"].each {|f|
            IO.foreach(f) {|line|
              if(line =~ /^(.*?)<=(is|are)?=?>(.*)$/)
                lhs = $1
                mhs = $2
                rhs = $3
                mhs = "is" unless mhs
                rhs = Keyword.escape rhs
                values = rhs.split("<=or=>")
                @statickeywords[lhs] = Keyword.new(mhs, values)
              end
            }
          }
        end