Hello fellow root users, i have a question regarding adding files to a TChain. If the file doesn't have the tree you are trying to add it barfs with: Error in <TChain::LoadTree>: cannot find tree with name... Now the chain seems broken, for instance GetEntries returns 1.23456789000000000e+09. My question: Is there a way to back up and unchain the last file or do i need to start over adding to the chain? Or is there a way to test for proper file chaining? Or should i ensure that all files are homogeneous? Thanks... Regards Tohru O. -- UCLA Physics and Astronomy Department GSR-IV Data Monkey ohnuki@physics.ucla.edu
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