python删除过期文件的方法

本文实例讲述了python删除过期文件的方法。分享给大家供大家参考。具体实现方法如下：

# remove all jpeg image files of an expired modification date = mtime
# you could also use creation date (ctime) or last access date (atime)
# os.stat(filename) returns (mode,ino,dev,nlink,uid,gid,size,atime,mtime,ctime)
# tested with Python24  vegaseat 6/7/2005
import os,glob,time
root = 'D:VacationPoland2003' # one specific folder
#root = 'D:Vacation*'     # or all the subfolders too
# expiration date in the format YYYY-MM-DD
xDate = '2003-12-31'
print '-'*50
for folder in glob.glob(root):
  print folder
  # here .jpg image files,but could be .txt files or whatever
  for image in glob.glob(folder + '/*.jpg'):
    # retrieves the stats for the current jpeg image file
    # the tuple element at index 8 is the last-modified-date
    stats = os.stat(image)
    # put the two dates into matching format  
    lastmodDate = time.localtime(stats[8])
    expDate = time.strptime(xDate,'%Y-%m-%d')
    print image,time.strftime("%m/%d/%y",lastmodDate)
    # check if image-last-modified-date is outdated
    if expDate > lastmodDate:
      try:
        print 'Removing',image,time.strftime("(older than %m/%d/%y)",expDate)
        #os.remove(image) # commented out for testing
      except OSError:
        print 'Could not remove',image

希望本文所述对大家的Python程序设计有所帮助。

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