$cmd ="tar -cvvf $UploadDir/results.tar $UploadDir/en_ran.out $UploadDir/en-ave.out $UploadDir/en_ave_ran.out $UploadDir/gc-ave.out $UploadDir/score_ran.out $UploadDir/score-ave_ran.out $UploadDir/score-ave.out ";