mfcc

	mfcc := exec.Command("mfcc.sh", "/output/"+fileheader.Filename+".raw", strconv.Itoa(frameLength), strconv.Itoa(frameLengthOutput), strconv.Itoa(framePeriod), strconv.Itoa(mgcOrder))
	mfccout, mfccerr := mfcc.Output()
	if mfccerr != nil {
		log.Println("Error executing mfcc.sh")
		log.Println("error:", mfccerr)
		http.Error(w, http.StatusText(404)+": "+mfccerr.Error(), 404)
		return
	}

	arr := make([]float64, 0)
	buf := bytes.NewReader(mfccout)
	readerr := binary.Read(buf, binary.LittleEndian, &arr)
	if readerr != nil {
		log.Println("binary.Read failed:", readerr)
		http.Error(w, http.StatusText(404)+": "+readerr.Error(), 404)
	}

	log.Println("Print arr")
	str := "["

	for index, elem := range arr {
		if index == len(arr)-1 {
			str = str + strconv.FormatFloat(elem, 'f', 6, 64)
		} else {
			str = str + strconv.FormatFloat(elem, 'f', 6, 64)
		}
		log.Println(elem)
	}

	str = str + "]"