141     std::ostringstream opath;  in getRxPackets()  local
142     opath << "/sys/class/net/" << name << "/statistics/rx_packets";  in getRxPackets()
143     std::string path = opath.str();  in getRxPackets()
181     std::ostringstream opath;  in getCpldVersion()  local
182     opath << "/run/cpld" << id << ".version";  in getCpldVersion()
186     if (!this->getFs()->exists(opath.str(), ec))  in getCpldVersion()
188         stdplus::print(stderr, "Path: '{}' doesn't exist.\n", opath.str());  in getCpldVersion()
199         ifs.open(opath.str());  in getCpldVersion()
787     std::string opath = std::format("/run/bm-instance/{}", propertyTypeString);  in getBMInstanceProperty()  local
792     if (!this->getFs()->exists(opath, ec))  in getBMInstanceProperty()
794         stdplus::print(stderr, "Path: '{}' doesn't exist.\n", opath);  in getBMInstanceProperty()
803         ifs.open(opath);  in getBMInstanceProperty()
808         stdplus::print(stderr, "Failed to read: '{}'.\n", opath);  in getBMInstanceProperty()