Hello Suzanne, A ROOT file is a tree of directories. ls() is supposed to show the file structure by using indentation for each new directory level. In case of one single to level directory, the format is a bit clumsy. This was one of the first functions that I implemented in 1995. The output quality should be changed from a debugging facility to something more functional and more esthetic. Rene Brun Suzanne Panacek wrote: > > Hi Rooters, > why is it that an ls() on a TFile returns these fields? What are they used > for, and what do they mean? > Suzanne Panacek > > root [0] TFile *f = new TFile("AFile", "RECREATE"); > root [1] f->ls() > TFile** AFile > TFile* AFile
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