# -*- coding:utf8-*-import osimport timeimport datetimeimport mathimport stringdef get_last_line(inputfile) : filesize = os.path.getsize(inputfile) blocksize = 1024 dat_file = open(inputfile, 'r') last_line = "" lines = dat_file.readlines() count = len(lines) if count>60:   num=60 else:   num=count i=1; lastre = [] for i in range(1,(num+1)):   if lines :     n = -i     last_line = lines[n].strip()     #print "last line : ", last_line     dat_file.close()     #print i     lastre.append(last_line) return lastre#獲取最后一行的結果re = get_last_line('../update/log/rtime/rtime20130805.log')print len(re)for n in re:  strlist = n.split('  ')  if strlist[1] == 'ok' and string.atoi(strlist[2])>1000:     print '數據條數正常'     print 'OK'  else:     print '數據太少，檢查發郵件'

2013-08-05 16:09:30  ok  16732013-08-05 16:10:34  ok  16282013-08-05 16:11:55  ok  712013-08-05 16:13:02  ok  14412013-08-05 16:14:06  ok  16342013-08-05 16:15:10  ok  17172013-08-05 16:16:14  ok  16872013-08-05 16:17:18  ok  16422013-08-05 16:18:27  ok  16552013-08-05 16:19:33  ok  1655

#返回文件最后一行函數def get_last_line(inputfile) : filesize = os.path.getsize(inputfile) blocksize = 1024 dat_file = open(inputfile, 'r') last_line = "" if filesize > blocksize :   maxseekpoint = (filesize // blocksize)   dat_file.seek((maxseekpoint-1)*blocksize) elif filesize :   #maxseekpoint = blocksize % filesize   dat_file.seek(0, 0) lines = dat_file.readlines() if lines :   last_line = lines[-1].strip() #print "last line : ", last_line dat_file.close() return last_line