shell备份oracle脚本01-可配置schemas

#!/bin/bash
. /etc/profile
. ~/.bash_profile

ORACLE_BASE="/opt/oracle11g"
export ORACLE_BASE
ORACLE_HOME="/opt/oracle11g/product/11.2.0"
export ORACLE_HOME
ORACLE_SID="orcl"
export ORACLE_SID
export NLS_LANG=AMERICAN_AMERICA.ZHS16GBK
LD_LIBRARY_PATH="$ORACLE_HOME/lib:/lib:/usr/lib:/usr/local/lib"
export LD_LIBRARY_PATH
PATH="$ORACLE_HOME/bin:/sbin":$PATH
export PATH

schemas="succezbi sdgsbi"
orabak=/data1/orabak
dd=`date +%F%s`
bd=15

for i in `echo $schemas`;do
        expdp \" / as sysdba\" schemas=${i} directory=orabak dumpfile=${i}_${dd}.dmp logfile=${i}_${dd}.log reuse_dumpfiles=y
        scp ${i}_${dd}.dmp root@10.48.43.215:/opt/backup39
        scp ${i}_${dd}.log root@10.48.43.215:/opt/backup39
done

#在删除文件前测试目录变量是否存在.如果失效直接退出
[ -z $orabak ] && exit 1
find $orabak -mtime +${bd} -exec rm -rf {} \;