[dave@www.cndba.cn scripts]$ ls
rman_del_arch.log  rman_del_arch.py
[dave@www.cndba.cn scripts]$ cat rman_del_arch.py 
#!/usr/bin/python
#coding=utf-8

import os
import sys
from subprocess import Popen,PIPE


def del_arch():
    cp = Popen(["rman","target","/"], stdout=PIPE, stdin=PIPE)
    cp.stdin.write("crosscheck archivelog all;" + os.linesep)
    cp.stdin.write("list expired archivelog all;  " + os.linesep)
    cp.stdin.write("delete noprompt archivelog all completed before 'sysdate-1';" + os.linesep)
    cp.stdin.write("exit;" + os.linesep)
    out, err = cp.communicate()
    print out.strip()

if __name__ == "__main__":
    del_arch()

#添加到linux 计划任务：
[dave@www.cndba.cn scripts]$ crontab -l
39 13 * * * source ~/.bash_profile; /usr/bin/python /u01/scripts/rman_del_arch.py > /u01/scripts/rman_del_arch.log 2>&1 &
[dave@www.cndba.cn scripts]$

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