[转载]python脚本删除一定时间以外的文件

 import os;
 import sys;
 import time;

 class DeleteLog:
     def __init__(self,filename,days):
         self.filename=filename;
         self.days=days;

     def delete(self):
         if os.path.exists(self.filename)==False:
             print(self.filename+ ' is not exists!!')
         elif os.path.isfile(self.filename):
             print(self.filename);
         elif os.path.isdir(self.filename):
             print(self.filename + ' is a path!');
             for i in [os.sep.join([self.filename,v]) for v in os.listdir(self.filename)]:
                 if self.compare_file_time(i) and (os.path.isfile(i)):
                     os.remove(i);
                     print(i+' is removed!');

     def compare_file_time(self,file):
         time_of_last_mod=os.path.getatime(file);
         days_between=(time.time()-time_of_last_mod)/(24*60*60);
         if days_between>self.days:
             return True;
         return False;

 if __name__=='__main__':
     path='/u01/app/diag/rdbms/orcl/orcl/trace';
     obj=DeleteLog(path,5);
     obj.delete();