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how to change file extension by using shell and python

22 Oct 2016

python script’s content

MODULE USED:

import os

from subprocess import call

old_ext = 'txt'
new_ext = 'md'
dir_path = '.'

for i in os.listdir(dir_path):
    if i.split('.')[-1] == old_ext:
        old_name = i
        new_name = '.'.join(i.split('.')[:-1])
        new_name = ''.join(new_name.split(' ')) + '.' + new_ext
        cmd = ['mv', old_name, new_name]
        call(cmd)