my $xcurl = 'curl -f -X PUT -u "'.$xconf{'USER'}.':'.$xconf{'PASSWORD'}.'" "'.$xconf{'HOST'}.'/data/experiments/'.$vrdata{${$mrdata}{'Subject'}}.'/resources/RVR/files/report_data.json?overwrite=true" -F file="@'.$tvrf.'"';
                print "$xcurl\n";
                system($xcurl);
                unlink $tvrf;