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2011-02-03Python

183

Python 删除指定日期前的指定文件

  1. #-*- coding:gbk-*-
  2. #code by linuxany.com
  3. #version 1.01
  4.  
  5. import getopt,sys,string
  6. import os, datetime,time,glob
  7. from stat import *
  8. reload(sys)
  9.  
  10. sys.setdefaultencoding('utf-8')
  11. IFS="/" #路径分割符
  12. _delday = "7"
  13. _deldir = "/tmp"
  14. _delext = "log"

  1. def getargv():
  2.     if len(sys.argv) <2:
  3.         usage()
  4.         sys.exit(3) 
  5.     try:
  6.         opts, args = getopt.getopt(sys.argv[1:], "hy:d:e:", ["help", "day=", "dir=", "rar="]) 
  7.     except getopt.GetoptError:
  8.         usage() 
  9.         sys.exit(2) 
  10.     for o, a in opts:
  11.      if o in ("-y", "--day"):
  12.         global _delday
  13.         _delday = a
  14.      elif o in ("-d", "--dir"):
  15.         global _deldir
  16.         _deldir = a
  17.      elif o in ("-e", "--rar"):
  18.         global _delrar
  19.         _delrar = a
  20.      else:
  21.         usage() 
  22.         sys.exit() 
  23. def usage():
  24.     print "this program will delete specified files at created by N days."
  25.     print u"本程序用于删除指定目录下文件修改日期在指定时间前的指定后缀类型文件"
  26.     print " usage:"
  27.     print " -h, --help : this help screen"
  28.     print " [-y 7|--day=7] : delete files before 7 day"
  29.     print " [-e rar|--ext=log] : only delete filename extension like .log files"
  30.     print " : support * , will delete all files"
  31.     print " [-d /tmp|--dir=/tmp] : only delete /tmp dirctory's files"
  32.     print " Default parameter is delete /tmp all .rar files before 7 day"
  33.     print " Ex:"
  34.     print " dnd.exe -y 7 -d /usr/local/apache/logs/ -e log"
  35.     print " or"
  36.     print " dnd.exe --day=7 --dir=/usr/local/apache/logs/ --ext=log"
  37.  
  38. def erasefile(Eday,Edir,Erar):
  39.     print "Erase files program starting..."
  40.     logpath=Edir
  41.     count=False
  42.     fullpath=glob.glob(Edir+'/*.'+Erar)
  43.     for i in range(len(fullpath)):
  44.         t1 = time.gmtime(os.stat(fullpath[i])[ST_MTIME]) #get file's mofidy time
  45.         t11 = time.strftime('%Y-%m-%d',t1)
  46.         year,month,day=t11.split('-')
  47.         t111= datetime.datetime(int(year),int(month),int(day)) 
  48.         t2 = time.gmtime()
  49.         t22 = time.strftime('%Y-%m-%d',t2)
  50.         year,month,day=t22.split('-')
  51.         t222= datetime.datetime(int(year),int(month),int(day)) 
  52.         days = (t222-t111).days
  53.         if days>string.atof(Eday): # if over N days then remove file
  54.                 try:
  55.                         os.remove(fullpath[i])
  56.                         print fullpath[i] ,"deleted."
  57.                         count = True
  58.                         log=datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')+" remove "+fullpath[i]+" success \n"
  59.                 except:
  60.                         log=datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')+" remove "+fullpath[i]+" fail \n" 
  61.                 fTemp=open(logpath+IFS+"remove_file.log", 'a') 
  62.                 fTemp.write(log)
  63.     if count == False:
  64.         print "No file be deleted."
  65.     print "Erase files program End..."
  66.  
  67. if __name__ == '__main__'

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