das Boot writes: > Dear roottalkers! > I have multiple root files with ntuples, > and I would like to know is there a way to merge them into one big root > file. > The TChain::Merge() method does not work. > It merges chains but zeroes out the content of all ntuples. > A macro presented in the tutorial > http://root.cern.ch/root/html/examples/hadd.C.html > merges histograms, but not ntuples. > Maybe there is a trick in invoking Merge(). > I would appreciate if someone could answer this. > thanx! > Artur Vaitaitis > Hi Arthur: please read "how to use chains" (http://root.cern.ch/root/HowtoChain.html) under ROOT HOWTO's. regards, pasha.
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