Re: saving empty TFile title

From: Rene Brun (Rene.Brun@cern.ch)
Date: Tue Mar 21 2000 - 11:11:11 MET


Hi Sasha,
The file title was correctly written to the file, but was not read in
when the file was connected again.
I have implemented the necessary fix in TFile::Init in my development
version.
Thanks for reporting this omission.

Rene Brun

Sasha Vanyashin wrote:
> 
> Hi everybody,
> 
>         I need to save the TFile title in the empty root file. I tried:
> 
> root.exe [0] TFile f = TFile("dummy.root","NEW","This file is empty");
> root.exe [1] f.GetTitle()
> (char* 0x86c9b04)"This file is empty"
> root.exe [2] f.Flush()
> root.exe [3] f.Write()
> root.exe [4] f.Close()
> root.exe [5] TFile *d = TFile::Open("dummy.root");
> root.exe [6] d->GetTitle()
> (char* 0x4031cef0)""
> root.exe [7] .q
> 
> This is the end of ROOT -- Goodbye
> 
> How to save the empty TFile title?
> 
> Regards,
> Sasha



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