# File lib/mcollective/rpc/actionrunner.rb, line 66
      def shell(command, infile, outfile)
        env = {"MCOLLECTIVE_REQUEST_FILE" => infile,
               "MCOLLECTIVE_REPLY_FILE"   => outfile}

        Shell.new("#{command} #{infile} #{outfile}", :cwd => Dir.tmpdir, :stdout => stdout, :stderr => stderr, :environment => env)
      end