#encoding=utf-8#author: walker#date: 2013-12-06#function: 深度遍歷指定目錄，更換指定擴展名import osimport os.path#讀入指定目錄并轉換為絕對路徑rootdir = raw_input('root dir:/n')rootdir = os.path.abspath(rootdir)print('absolute path:/n' + rootdir)#讀入原擴展名并標準化old_ext = raw_input('old extension:/n')old_ext = old_ext.strip()if old_ext[0] != '.':  old_ext = '.' + old_ext#讀入新擴展名并標準化new_ext = raw_input('new extension:/n')new_ext = new_ext.strip()if new_ext[0] != '.':  new_ext = '.' + new_extfor parent, dirnames, filenames in os.walk(rootdir):  for filename in filenames:    pathfile = os.path.join(parent, filename)    if pathfile.endswith(old_ext):      new_pathfile = os.path.splitext(pathfile)[0] + new_ext      print('=======================================================')      print(pathfile)      print('-------------------------------------------------------')      print(new_pathfile)      print('=======================================================')      os.rename(pathfile, new_pathfile)

#將后綴.ini換成.txt#路徑名可以是相對路徑或絕對路徑find 路徑名 | rename 's//.ini$//.txt/'

# Use the built-in version of scandir/walk if possible, otherwise# use the scandir module versiontry:  from os import scandir, walk  #python3.5+except ImportError:  from scandir import scandir, walk #python3.4-