合并中英字幕的python小脚本

文件读取写入，正则，没啥含量。

#!e:/python32/python.exe
import os
import re

pat = r'(.*)\.chs\.srt'

for f in os.listdir():
    m = re.match(pat, f)
    if not m:
        continue

    ff = m.group(1)
    fop = open(ff + '.all.srt', 'w')

    linesChs = open(ff + '.chs.srt').readlines()
    linesEng = open(ff + '.eng.srt').readlines()

    iChs = 0
    iEng = 2
    lenChs = len(linesChs)

    flag = True

    while True:
        if iChs >= lenChs:
            break
        if flag:
            if linesChs[iChs].strip() == '':
                flag = False
                iChs += 1
                continue
            fop.write(linesChs[iChs])
            iChs += 1
            continue
        if linesEng[iEng].strip() == '':
            fop.write('\n')
            flag = True
            iEng += 3
            continue
        fop.write(linesEng[iEng])
        iEng += 1

    fop.close()