func main() { flag.Parse() if infile != nil { fmt.Println("infile =", *infile, "outfile =", *outfile, "algorithm =", *algorithm) } values, err := readValues(*infile) if err == nil { t1 := time.Now() switch *algorithm { case "qsort": qsort.QuickSort(values) case "bubblesort": bubblesort.BubbleSort(values) default: fmt.Println("Sorting algorithm", *algorithm, "is either unknown or unsupported.") } t2 := time.Now() fmt.Println("The sorting process costs", t2.Sub(t1), "to complete.") writeValues(values, *outfile) } else { fmt.Println(err) } }
func main() { flag.Parse() fmt.Println("inFile = ", inFile, "outFile = ", outFile, "algorithm = ", algorithm) values, err := readValues(inFile) if err == nil { startTime := time.Now() switch algorithm { case "qsort": qsort.QuickSort(values) case "bubblesort": bubblesort.BubbleSort(values) case "mergesort": mergesort.MergeSort(values) case "mergesortp": mergesortp.MergeSortParallel(values) case "mergesortp2": mergesortp2.MergeSortParallel(values) default: { fmt.Println("Sorting algorithm", algorithm, "is either unknow or unsupported.") } } endTime := time.Now() fmt.Println("The sorting process costs", endTime.Sub(startTime), "to complete") writeValues(values, outFile) } else { fmt.Println(err) } }