Hi Fabrizio, It looks like the "PrintTag" functionality we had in the original XTNetFile is still there in TXNetFile, but when I turn it on I see: Info in <TXNetFile::CreateTXNf>: (C) 2004 SLAC TXNetFile (eXtended TNetFile) ^[]ü^[34m~Iì]Ã^[34m~P~P~P~P~P~PU^[34m~Iå^[34m~Cì^[34m^H~I]ü^[34m~KE Ah, this is because we have: if (gEnv->GetValue("XNet.PrintTAG",0) == 1) if (!fgTagAlreadyPrinted) { Info("CreateTXNf","(C) 2004 SLAC TXNetFile (eXtended TNetFile) %s"); fgTagAlreadyPrinted = kTRUE; } i.e. no variable is passed into for the "%s". (We had something to pass as a version number in the XTNetFile version.) Question for the ROOT guys: is it possible to get the ROOT version number somehow via a C++ interface? (Getting it from the setting of ROOTSYS is tricky as that can be set incorrectly.) Pete ------------------------------------------------------------------------- Peter Elmer E-mail: [log in to unmask] Phone: +41 (22) 767-4644 Address: CERN Division PPE, Bat. 32 2C-14, CH-1211 Geneva 23, Switzerland -------------------------------------------------------------------------