doc/v632/hsimpleProxyDriver_8C.html

void hsimpleProxyDriver()

{

   std::cout << gSystem->WorkingDirectory() << std::endl;

   TFile *file = TFile::Open("hsimple.root");

   if (!file){

      std::cerr << "Input file not found.\n";

      return ;

   }

   TTree *ntuple = nullptr;

   file->GetObject("ntuple",ntuple);

   std::string s1(__FILE__);

   TString dir = gSystem->UnixPathName(s1.substr(0, s1.find_last_of("\\/")).c_str());

   ntuple->Draw(dir+"/hsimpleProxy.C+");

}

s1
#define s1(x)
Definition RSha256.hxx:91

gSystem
R__EXTERN TSystem * gSystem
Definition TSystem.h:555

TDirectory::GetObject
void GetObject(const char *namecycle, T *&ptr)
Get an object with proper type checking.
Definition TDirectory.h:212

TFile
A ROOT file is an on-disk file, usually with extension .root, that stores objects in a file-system-li...
Definition TFile.h:53

TFile::Open
static TFile * Open(const char *name, Option_t *option="", const char *ftitle="", Int_t compress=ROOT::RCompressionSetting::EDefaults::kUseCompiledDefault, Int_t netopt=0)
Create / open a file.
Definition TFile.cxx:4089

TString
Basic string class.
Definition TString.h:139

TSystem::UnixPathName
virtual const char * UnixPathName(const char *unixpathname)
Convert from a local pathname to a Unix pathname.
Definition TSystem.cxx:1063

TSystem::WorkingDirectory
virtual const char * WorkingDirectory()
Return working directory.
Definition TSystem.cxx:871

TTree
A TTree represents a columnar dataset.
Definition TTree.h:79

TTree::Draw
void Draw(Option_t *opt) override
Default Draw method for all objects.
Definition TTree.h:431