Python: Get the extension of a file

Approach 1: Using os.path.splitext

Using 'os.path.splitext' method, we can get the file extension.

 

‘splitext’ method split a path in root and extension. The extension is everything starting at the last dot in the last pathname component; the root is everything before that. It is always true that root + ext == p.

 

get_file_extension.py

import os

file_path = '/Users/Shared/poi/xls/test.xlsx'
file_name, file_extension = os.path.splitext(file_path)

print('file_name -> ', file_name)
print('file_extension -> ', file_extension)

 

Output

 

file_name ->  /Users/Shared/poi/xls/test
file_extension ->  .xlsx

 

Approach 2: Using 'pathlib.Path().suffix'

 

get_file_extension_2.py

import pathlib

file_path = '/Users/Shared/poi/xls/test.xlsx'
file_extension = pathlib.Path(file_path).suffix

print('file_extension -> ', file_extension)

 

Output

file_extension ->  .xlsx

 

 

 

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