std::ifstream cpus_range_stream { path };

std::vector<int> cpus;

std::string cpu_range;

while (std::getline(cpus_range_stream, cpu_range, ',')) {

std::size_t rangeop = cpu_range.find('-');

if (rangeop == std::string::npos) {

cpus.push_back(std::stoi(cpu_range));

}

else {

int start = std::stoi(cpu_range.substr(0, rangeop));

int end = std::stoi(cpu_range.substr(rangeop + 1));

for (int i = start; i <= end; i++)

cpus.push_back(i);

}

}

return cpus;