NAME¶
hadd - Merge ROOT histogram files into one file
SYNOPSIS¶
hadd outputfile inputfiles ...
DESCRIPTION¶
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.
SEE ALSO¶
root(1)
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.
ORIGINAL AUTHORS¶
 Sven A. Schmidt
  
sven.schmidt@cern.ch, Dirk
  Geppert, and Rene Brun
  Rene.Brun@cern.ch
COPYRIGHT¶
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
AUTHOR¶
This manual page was written by Christian Holm Christensen <cholm@nbi.dk>,
  for the Debian GNU/Linux system (but may be used by others).