See example in $ROOTSYS/tutorials/hadd.C Rene Brun On Sun, 1 Apr 2001, Dennis C. Arogancia wrote: > > > Hi rooters, > > > I have generated several rootfiles, say, > anal00.root, anal01.root, anal02.root, anal03.root, and anal04.root. Each > rootfile contains 1-dimensional histograms such as hEvis, hPt, hPl, > hWmass, hCoshtrk, etc. I want to add all the histograms each root file > and put the result in a single rootfile. How do i do this? > > > > dennis >
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