#include #include #include "TH1D.h" #include "TFile.h" void histgenerator () { printf (" [+] Generate histogram\n"); for (int i=0; i<3; i++) { if (i==2) { printf (" `-- File number %d\n", i+1); } else { printf (" |-- File number %d\n", i+1); } TH1D *hist = new TH1D ("histname", "", 50, -5, 5); TFile *fileout = new TFile ( Form("file%d.root", i+1), "recreate" ); hist -> FillRandom ("gaus", 5000); hist -> Write(); fileout -> Close(); delete hist; } }