python批量修改图像后缀名

参考博客:https://www.cnblogs.com/xingh/p/6937353.html

import os

files = os.listdir("D:/ruanjianxiazai/tuxiangyangben/fengehou/train")#列出当前目录下所有的文件

for filename in files:
    portion = os.path.splitext(filename)#分离文件名字和后缀
#    print(portion)

    if portion[1] ==".png":#根据后缀来修改,如无后缀则空
        newname = portion[0]+".jpg"#要改的新后缀
        os.chdir("D:/ruanjianxiazai/tuxiangyangben/fengehou/train")#切换文件路径,如无路径则要新建或者路径同上,做好备份
        os.rename(filename,newname)

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转载自blog.csdn.net/dulingtingzi/article/details/79571272