Useful file operations in Python

1、Determine if the folder exists, and if it does not exist, create.

import os if not os.path.exists(path): os.mkdir(path)

2、Traversing folders with files in a specific format.

import os import fnmatch img_list = fnmatch.filter(os.listdir(path), '*.png') for img in img_list : ……

3、Rename the file.

import os os.rename(Old_Dir,New_Dir)

4、Path connection.

import os New_Dir=os.path.join(path,filestr,filetype)

5、Copy files.

import shutil shutil.copy(Old_Dir, New_Dir)

6、Replace the suffix name

jpg_img=files[:-4]+".jpg"

7、Replace characters in path

new_files=files.replace('_','')