----- Original Message -----
From: Philip M Borawski <bphilip@utdallas.edu>
To: <roottalk@pcroot.cern.ch>
Sent: 18 февраля 2000 г. 16:21
Subject: Chaining a large number of files
> Could somebody please post an example of chaining over a large number of
> files without having to list each file manually with
>
> TChain chain("h1");
> chain.Add("rootfile1.root");
> chain.Add("rootfile2.root");
>
> I am a fairly new C++ and ROOT user and am having difficulty understanding
> how to do this efficently...is it easier to write the filenames to a file
> and just use C++ to read the strings in or can you use ROOT to read
> straight from the directory? Perhaps with GetListOfFiles? Any working
> example would help me immensely...
>
Have a look
http://www.star.bnl.gov/STAR/html/comp_l/root/html/src/St_FileSet.cxx.html#St_FileSet:St_FileSet
You can use a pattern.
Valery
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