# coding: UTF-8
# import ICTCLAS

import sys
import os

if len(sys.argv) != 3:
	print "Usage: python count_wave_time.py <wav_txt_dir> <out_time_file>"
	exit()

# 獲取wav_txt資料夾(F:\如果蝸牛有愛情txt)，寫入時間time的檔案
wav_txt_dir = sys.argv[1]
out_time_file = open(sys.argv[2],'w')

wav_txt_file = os.listdir(wav_txt_dir)
sum_seconds = 0

for wav_txt_id in range(len(wav_txt_file)):
    full_wav_txt_file = os.path.join(wav_txt_dir, str(wav_txt_file[wav_txt_id]))

    #開啟full_wave_txt_file 檔案
    full_wav_txt_file_op = open(full_wav_txt_file, 'r')

    #獲取Length (seconds):    911.360000
    Length_seconds = full_wav_txt_file_op.readlines()[1]

    #獲取時間資訊
    seconds_info = Length_seconds.split('   ')[-1]

    #計算總的時間
    sum_seconds += float(seconds_info)

print sum_seconds
out_time_file.write(str(sum_seconds))