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
       ⟨http://root.cern.ch⟩

       A Users Guide is available from here.  ⟨http://root.cern.ch/root/UsersGuide.html⟩

       The classes of ROOT are all documented by  the  automatic  documentation  system,  and  is
       available online.  ⟨http://root.cern.ch/root/html/ClassIndex.html⟩

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).