Function write_file

src/data_readers/unit_test/data_reader_common_catch2.cpp:89–97

}

void write_file(std::string data, std::string dir, std::string fn)
{
  std::stringstream s;
  s << dir << "/" << fn;
  std::ofstream out(s.str().c_str());
  REQUIRE(out);
  out << data;
  out.close();
}