python练习程序批量修改文件名
代码如下:
# encoding:utf-8
##
# 文件名如:
# 下吧.mp3
##
import os,re
fs=os.listdir('xb')
for f in fs:
######方法一:partition获取无用字符
#1.将文件名以'['符分为3部分
#ls=f.partition('[')
#2.ls[0]为需要文件名,因此获取ls[1:]
#dirtystring = ''.join(ls[1:])
#3.开始替换
#newname=f.replace(dirtystring, '') + '.mp3')
#os.rename('xb/' + f, newname)
######方法二:正则获取无用字符
dirtymatch = re.search(r'\[.*?\]', f)
if dirtymatch:
dirtystring=dirtymatch.group(0)
newname=f.replace(dirtystring, '') + '.mp3'
os.rename('xb/' + f, newname)
#注意:可以直接用re.sub方法进行正则替换掉文件名中不需要字符

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