sort.Slice(logFiles, func(i, j int) bool {
        yearA, _ := strconv.Atoi(logFiles[i].year)
        yearB, _ := strconv.Atoi(logFiles[j].year)
        monthA, _ := strconv.Atoi(logFiles[j].month)
        monthB, _ := strconv.Atoi(logFiles[j].month)
        return numA > numB
    })