Hi tcli, check http://root.cern.ch/root/htmldoc/TROOT.html#TROOT:Macro Regards. Valeriy ----- Original Message ----- From: "tcli" <tcli@ic.sunysb.edu> To: <roottalk@pcroot.cern.ch> Sent: Wednesday, August 13, 2003 10:01 PM Subject: [ROOT] how to use TROOT::ProcessLine() > Dear root users, > I want to use TROOT::ProcessLine() to execute multiple scripts > with some conditions from a single top script. The user guide v3.05 > simply mentions the name of this method and says it can be used for this > purpose. It also mentions an example from > $ROOTSYS/tutorials/cernstaff.C. I went through the cernstaff.C file, but > it only demonstrates how to create and fill a tree, set branches,etc, > including nothing on how to use TROOT::ProcessLine(). > I seached in "root.cern.ch", finding only this: > > "ProcessLine(const char* line, Int_t* error = 0)" > > and > > "void ProcessLine(const char *line, Int_t *error) > > Process interpreter command via TApplication::ProcessLine(). > On Win32 the line will be processed a-synchronously by sending > it to the CINT interpreter thread. For explicit synchrounous processing > use ProcessLineSync(). On non-Win32 platforms there is not difference > between ProcessLine() and ProcessLineSync(). > The possible error codes are defined by TInterpreter::EErrorCode. In > particular, error will equal to TInterpreter::kProcessing until the > CINT interpreted thread has finished executing the line." > > > The second long explantion includes no examples on how to use > ProcessLine(). > > Then I tried to do the following on the root prompt: > root[] .L myfile.C > root[] gROOT.ProcessLine("myfile.C") > > but root says "..Symbol myfile is not defined in current scope ...". So > I have no idea on how to use it. Can anyone kindly help me? > > The version of ROOT I am using is 3.05/04. > > Thanks in advance! > > tcli >
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