Python批量修改文本文件内容

Python批量替换文件内容，支持嵌套文件夹

import os
path="./"
for root,dirs,files in os.walk(path):
    for name in files:
        #print name
        if name.endswith(".html"):
            #print root,dirs,name 
            filename=root+"/"+name
            f=open(filename,"r")
            filecontent=""
            line=f.readline()  
            while line:
                l=line.replace(":8081/arcgis_js_api","/arcgisapi")
                filecontent=filecontent+l
                line=f.readline()
            f.close()
            f2=file(filename,"w")
            f2.writelines(filecontent)
            f2.close()

import os

import re

#list files

def listFiles(dirPath):

    fileList=[]

    for root,dirs,files in os.walk(dirPath):

        for fileObj in files:

            fileList.append(os.path.join(root,fileObj))

    return fileList

 

def main():

    fileDir = "./"

    regex = ur'FUNC_SYS_ADD_ACCDETAIL'

    fileList = listFiles(fileDir)

    for fileObj in fileList:
 
        name = fileObj
        if name.endswith(".html"):
            print name
            f = open(fileObj,'r+')

            all_the_lines=f.readlines()

            f.seek(0)

            f.truncate()
            

            for line in all_the_lines:

                f.write(line.replace('https://js.arcgis.com/4.8/','https://gis01.leechg.com/jsapi/4.8/'))    

            f.close()  

if __name__=='__main__':

    main()