Method getLineEnds

test/test_runner/multi_copy_split.cpp:37–59

}

std::vector<uint32_t> SplitMultiCopyRandom::getLineEnds(std::string path) const {
    RandomEngine random(seed[0], seed[1]);
    spdlog::info("RANDOM GENERATOR used seed: {} {}", seed[0], seed[1]);
    std::ifstream file(path);
    if (!file.is_open()) {
        throw TestException(std::format("Error opening file: {}, errno: {}.", path, errno));
    }
    // determine # lines in each split file
    std::string line;
    uint32_t linecnt = 0;
    while (getline(file, line)) {
        if (!line.empty()) {
            linecnt++;
        }
    }
    std::vector<uint32_t> lineEnds;
    for (auto i = 0u; i < numSplit - 1; i++) {
        lineEnds.push_back(random.nextRandomInteger(linecnt));
    }
    lineEnds.push_back(linecnt);
    std::sort(lineEnds.begin(), lineEnds.end());
    return lineEnds;
}

void SplitMultiCopyRandom::init() {
    genSeedIfNecessary();