使用python替换文件夹下的文件名称及文件内容方法介绍

# -*- coding: UTF-8 -*-

import os
import re

#replace dir name
def replaceDirName(rootDir,oldStr,newStr):
 for parent,dirNames,fileNames in os.walk(rootDir,topdown=False):
 for dirName in dirNames:
 if oldStr in dirName:
 dirNameOld = os.path.join(parent,dirName)
 dirNameNew = os.path.join(parent,dirName.replace(oldStr,newStr))
 print(dirNameOld + ' --> ' + dirNameNew)
 os.rename(dirNameOld,dirNameNew)
 
 
#replace file name
def replaceFileName(rootDir,oldStr,newStr):
 for parent,dirNames,fileNames in os.walk(rootDir):
 for fileName in fileNames:
 if oldStr in fileName:
 fileNameOld = os.path.join(parent,fileName)
 fileNameNew = os.path.join(parent,fileName.replace(oldStr,newStr))
 print(fileNameOld + ' --> ' + fileNameNew)
 os.rename(fileNameOld,fileNameNew)
 
#replace file content name
def replaceFileContent(rootDir,oldStr,newStr):
 for parent,dirNames,fileNames in os.walk(rootDir):
 for fileName in fileNames:
 fileObj = os.path.join(parent,fileName)
 f = open(fileObj,'r+')
 all_the_lines=f.readlines()
 f.seek(0)
 f.truncate()
 for line in all_the_lines:
 f.write(line.replace(oldStr,newStr)) 
 f.close() 


def main():
 rootDir = "D:/D"
 oldStr = "CustomerType"
 newStr = "CustomerAttr"

 replaceDirName(rootDir,oldStr,newStr)
 replaceFileName(rootDir,oldStr,newStr)
 replaceFileContent(rootDir,oldStr,newStr)

if __name__=='__main__':
 main()