Python directory and filename operation example _python

1. Operation directory and filename

#!/usr/bin/env python
#-*-coding:utf-8-*-

import os,re import
shutil 
import Time

Search with Listdir

def search_ofd_old (My_pattern, diretory):
  try:
    names = Os.listdir (diretory)    
  except Os.error:
    print Error '
    return
  to name in Names:
    fullname = Os.path.normpath (Os.path.join (diretory, name))
    if Os.path.isfile (fullname): Result
      = My_pattern.search (name)
      if result and Name.lower (). EndsWith ("TXT"):
        shutil.copy (FullName, Dest_dir)      
    elif Os.path.isdir (fullname):
      search_ofd (My_pattern, FullName)

Search using Walk function

def search_ofd (My_pattern, diretory): For
  root,dirs,files in Os.walk (diretory): for
    filename in files:
      result = My_pattern.search (filename)
      if result and Filename.lower (). EndsWith ("TXT"):
        fullname = Os.path.join ( root, filename)
        shutil.copy (FullName, Dest_dir)

Directory does not exist, it is created:

If not Os.path.isdir (dest_dir):
  os.makedirs (Dest_dir)

Match Name

Import re Pattern
= Re.compile ("1ABC")
Pattern.search (Var)