execute (Debugger)

    # File cli/ruby-debug/commands/info.rb, line 93
        def execute
          if @match[1].empty?
            errmsg "\"info\" must be followed by the name of an info command:\n"
            print "List of info subcommands:\n\n"
            for subcmd in Subcommands do
              print "info #{subcmd.name} -- #{subcmd.short_help}\n"
            end
          else
            args = @match[1].split(/[ \t]+/)
            param = args.shift
            subcmd = find(Subcommands, param)
            if subcmd
              send("info_#{subcmd.name}", *args)
            else
              errmsg "Unknown info command #{param}\n"
            end
          end
        end