getpot_parse.C

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// The libMesh Finite Element Library.
// Copyright (C) 2002-2025 Benjamin S. Kirk, John W. Peterson, Roy H. Stogner

// 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA



// Open the getpot input file given by the input file name; write out
// all GetPot object data to the output file name
#include "libmesh/libmesh_config.h"
#include "libmesh/getpot.h"

#include <fstream>

int main(int argc, char ** argv)
{
  using namespace libMesh;

  libmesh_error_msg_if(argc < 2, "Usage: " << argv[0] << " inputconfigfile [outputconfigfile]");

  GetPot gp(argv[1]);

  std::ostream *my_out;
  std::ofstream fout;
  fout.exceptions ( std::ofstream::failbit | std::ofstream::badbit );

  if (argc < 3)
    my_out = &std::cout;
  else
    {
      fout.open(argv[2]);
      my_out = &fout;
    }

  gp.print("", *my_out, 1);
}