curr_file 68 old_code/2015linfty/iodof.h const std::string curr_file {filename + std::to_string(f_no)}; curr_file 72 old_code/2015linfty/iodof.h std::ofstream ofs {curr_file}; curr_file 73 old_code/2015linfty/iodof.h if(!ofs) err_handling("Could not open file: " + curr_file); curr_file 78 old_code/2015linfty/iodof.h std::ifstream ifs {curr_file}; curr_file 79 old_code/2015linfty/iodof.h if(!ifs) err_handling("Could not open file: " + curr_file);