Method path

src/openms/source/SYSTEM/File.cpp:334–342

  }

  String File::path(const String& file)
  {
    size_t pos = file.find_last_of("\\/");
    // do NOT return an empty string, because this leads to issues when in generic code you do:
    // String new_path = path("a.txt") + '/' + basename("a.txt");
    // , as this would lead to "/a.txt", i.e. create a wrong absolute path from a relative name
    String no_path = ".";
    return pos == string::npos ? no_path : file.substr(0, pos);
  }

  bool File::readable(const String& file)
  {