modify file's suffix

file_name_suffix_modify.py

#-*- coding: utf-8 -*-

import os
import numpy as np
import walkdir as wd

file_info_type = np.dtype({
    'names': ['dir','name'],
    'formats':['S100','S100']
    })

old_suffix = 'csv'
new_suffix = 'txt'

# 0. get all file list
files = list(wd.file_paths(wd.filtered_walk(os.getcwd(),depth=1,included_files=['*.csv'])))

# 1. split dir & file
for x in xrange(0,len(files)):
    s = '\\'
    p = unicode(s.join(files[x].split('\\')[:-1]), 'gbk')
    f = files[x].split('\\')[-1]
    print p, f
    old = p + '\\' + f
    new = p + '\\' + f.replace(old_suffix, new_suffix)
    os.rename(old,new)