python遍歷文件

# -*- coding: utf-8 -*-
#argv[1]:清單文件
import os
import sys
def read_file(fileName):
    for line in open(fileName):
        pathSub = str(line).strip()
        pathAbs = "/home/account/branchName/" + pathSub   ##必須是絕對路徑      
        print("%s" % pathAbs)
        os.system("cd %s ;git add ." % pathAbs )
        os.system("cd %s ;git commit -m '[scm]:add mtk patch'" % pathAbs )
        os.system("cd %s ;git push origin HEAD:refs/for/branchName" % pathAbs )
        os.system("cd -")

if "__main__" == __name__:
    if len(sys.argv) < 2:   ##sys.argv[0]是腳本文件本身
        raise Exception('please input fileNamePath')
    fileName = sys.argv[1]
    read_file(fileName)
    pass