HADD(1)

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 avaliable from http://root.cern.ch/root/UsersGuide.html (http://root.cern.ch/root/UsersGuide.html)

The classes of ROOT are all documented on http://root.cern.ch/root/html/ClassIndex.html (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
ROOT Software Terms and Conditions

The authors hereby grant permission to use, copy, and distribute this software and its documentation for any purpose, provided that existing copyright notices are retained in all copies and that this notice is included verbatim in any distributions. Additionally, the authors grant permission to modify this software and its documentation for any purpose, provided that such modifications are not distributed without the explicit consent of the authors and that existing copyright notices are retained in all copies. Users of the software are asked to feed back problems, benefits, and/or suggestions about the software to the ROOT Development Team (rootdev@root.cern.ch). Support for this software - fixing of bugs, incorporation of new features - is done on a best effort basis. All bug fixes and enhancements will be made available under the same terms and conditions as the original software,

IN NO EVENT SHALL THE AUTHORS OR DISTRIBUTORS BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF THIS SOFTWARE, ITS DOCUMENTATION, OR ANY DERIVATIVES THEREOF, EVEN IF THE AUTHORS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

THE AUTHORS AND DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, AND THE AUTHORS AND DISTRIBUTORS HAVE NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.

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).