+--------------------[./flukso4r-0.3.8/lib/flukso/R.rb]-------------------+
      puts "executing commands:\n#{cmdSet}" if $verbose
      commandline="#{R_CMD} #{cmdfile.path}"
      puts "using commandline: #{commandline}" if $verbose
      stdout = %x[#{commandline}]
      puts "R (Exitcode: #{$?}) said: #{stdout}" if $verbose
    end