hadd man page
hadd — Merge ROOT histogram files into one file
hadd outputfile inputfiles ...
This program will add histograms from a list of ROOT files and write them to a target ROOT file. The target file is newly created and must not be identical to one of the source files.
For extensive documentation on the ROOT system, see http://root.cern.ch
A Users Guide is available from here.
The classes of ROOT are all documented by the automatic documentation system, and is available online.
Sven A. Schmidt email@example.com, Dirk Geppert, and Rene Brun Rene.Brun@cern.ch
This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
This manual page was written by Christian Holm Christensen <firstname.lastname@example.org>, for the Debian GNU/Linux system (but may be used by others).