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

 1 import os
 2 path="./"
 3 for root,dirs,files in os.walk(path):
 4     for name in files:
 5         #print name
 6         if name.endswith(".html"):
 7             #print root,dirs,name 
 8             filename=root+"/"+name
 9             f=open(filename,"r")
10             filecontent=""
11             line=f.readline()  
12             while line:
13                 l=line.replace(":8081/arcgis_js_api","/arcgisapi")
14                 filecontent=filecontent+l
15                 line=f.readline()
16             f.close()
17             f2=file(filename,"w")
18             f2.writelines(filecontent)
19             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()