Hi Martin, see TChain::Merge (http://root.cern.ch/root/html/TChain.html), or the users manual. Cheers, Axel. Martin Brueckel wrote: > Hallo all, > > I have processed a data file and stored the output in a tree. > Now I want to process more data and somehow append the root output to > the existing tree. > How can that be done ? > > Thanks, > Martin > > > > > > Martin Brueckel > Institut fuer Experimentelle Kernphysik > Universitaet Karlsruhe > Tel.: 07247 / 82-3712 > mail: brueckel@iekp.fzk.de > > > >
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