doc/v620/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:560

TFile
A ROOT file is a suite of consecutive data records (TKey instances) with a well defined format.
Definition: TFile.h:48

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:3923

TString
Basic string class.
Definition: TString.h:131

TSystem::UnixPathName
virtual const char * UnixPathName(const char *unixpathname)
Convert from a Unix pathname to a local pathname.
Definition: TSystem.cxx:1054

TSystem::WorkingDirectory
virtual const char * WorkingDirectory()
Return working directory.
Definition: TSystem.cxx:879

TTree
A TTree represents a columnar dataset.
Definition: TTree.h:72

TTree::Draw
virtual void Draw(Option_t *opt)
Default Draw method for all objects.
Definition: TTree.h:419

file
Definition: file.py:1