Hi Jens, You must open the file in "update" mode and set teh current directory where you want to delete the objects, eg: root [0] TFile f("junk.root","update") root [1] TDirectory *mydir = (TDirectory *)f.Get("DM/CV") root [2] mydir->cd() root [3] mydir->Delete("*;*") Rene Brun On Wed, 13 Jun 2001, Jens Ahrens wrote: > Hi everybody > > I want to delete a TDirectory including theTH1F histograms (it contains) > from my ROOT file. I tried : > TDirectory *mydir = (TDirectory *) myfile->Get("dirname"); > mydir->Delete("*;*"); > But it doesn't work. > > Does anyone have a clue? > > Thanks > Jens >
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