Method write

src/sys/options/options_netcdf.cxx:714–738

Write options to file

/// Write options to file
void OptionsNetCDF::write(const Options& options, const std::string& time_dim) {
  Timer timer("io");

  // Check the file mode to use
  auto ncmode = NcFile::replace;
  if (file_mode == FileMode::append) {
    // NetCDF doesn't have a "read-write, create if exists" mode, so
    // we need to check ourselves if the file already exists; if it
    // doesn't, tell NetCDF to create it
    std::ifstream file(filename);
    ncmode = file.good() ? NcFile::FileMode::write : NcFile::FileMode::newFile;
  }

  if (not data_file) {
    data_file = std::make_unique<netCDF::NcFile>(filename, ncmode);
  }

  if (data_file->isNull()) {
    throw BoutException("Could not open NetCDF file '{:s}' for writing", filename);
  }

  writeGroup(options, *data_file, time_dim);

  data_file->sync();
}

} // namespace bout