#include <iostream>
#include <vector>
#include <utility>
#include <map>
#include <string>
using namespace std;
#include "/opt/5.14.00f-CMS3q/include/TH1F.h"
#include "/opt/5.14.00f-CMS3q/include/TTree.h"
#include "/opt/5.14.00f-CMS3q/include/TFile.h"
#include "/opt/5.14.00f-CMS3q/include/TSystem.h"
#include "/home/hashemim/CMSSW_1_6_8/src/Analysis/HWWAnalyzer/interface/myevent.h"
#include "/home/hashemim/CMSSW_1_6_8/src/Analysis/HWWAnalyzer/interface/LinkDef.h"

int main(){



  int ntot=0;
  int NumberOfFiles=1329;
  FILE *ffile=fopen("ChowderRootFiles.txt","r");
  char filename[20]={0};

  for(int nf=0;nf<NumberOfFiles;nf++){
    fscanf(ffile,"%s",filename);
    TFile *file=TFile::Open(filename);
    myevent *m=new myevent;
    TTree* rootTree= (TTree*)file->Get("t;1");
    TBranch* branch = rootTree->GetBranch("myevent");
    branch->SetAddress(&m);
    int nev = int(rootTree->GetEntries());
    cout<<"Reading "<<filename<<" ;  number of entries is : "<<nev<<endl;

    //int PID;//process id
    
  //================================================
  //event loop

    for(int i = 0; i < nev; i++){
      ntot++;
      cout<<"Reading "<<filename<<" ; event number "<<ntot<<endl;
      rootTree->GetEvent(i);
    }//loop over events

    delete m;
    //    delete branch;
    delete rootTree;
    delete file;
  }//loop over files


  return 0;
}