000
To list the types of the files in define dir :
Running result:
Standar:
referred:
http://www.runoob.com/python/att-dictionary-setdefault.html
001
To get the files' size if the defined dir
Running result:
Standar:
002
To search a file in a rough path
Running Result:
Standar：
003
to read the format of the file in a defined dir and then write the path to a new file:
Running result:
Standard:
004
To search the key words in a file with define path, and located the key words in the file
Running Result:
Standar:
Running Result:
Refer:
functions find in string:
http://www.yiibai.com/python/string_find.html
http://bbs.fishc.com/forum.php?mod=viewthread&tid=45512&extra=page%3D1%26filter%3Dtypeid%26typeid%3D403
__os.walk(path)