File indexing completed on 2024-04-06 12:12:48
0001 #include "TFile.h"
0002 #include "TKey.h"
0003 #include "TTree.h"
0004 #include "TError.h"
0005 #include "TCollection.h"
0006 #include <iostream>
0007
0008 void treelist()
0009 {
0010 std::string fname;
0011 gErrorIgnoreLevel = kError;
0012 std::cin >> fname;
0013 if(fname == "quit") return;
0014 TObject * obj;
0015 TKey * key;
0016 TFile * file = new TFile(fname.c_str(),"READ","Test file");
0017 if(file) {
0018 std::cout << "\nNames of TTree objects in file: " << fname << std::endl;
0019 gErrorIgnoreLevel = kError;
0020 TIter next(file->GetListOfKeys());
0021 while( (key = (TKey*)next()) ) {
0022 obj = key->ReadObj();
0023 if ( (obj->InheritsFrom("TTree")) ) {
0024 std::cout << "\t\t" << ((TTree*)obj)->GetName() << std::endl;
0025 }
0026 }
0027 }
0028 std::cout << " " << std::endl;
0029 }
