一个监控oracle数据库某个字段值变化并发送邮件报警的脚本

　　talk is cheap，here is the code：

#!/bin/sh
export ORACLE_HOME=/u01/app/oracle/product/11.2./client_1/
export PATH=$PATH:$ORACLE_HOME/bin
export base_path=/home/peteryrcc/code/database

sqlplus account/'password'@10.75.65.142:/database name <<EOF
spool /home/peteryrcc/code/database/current_dmtc.log
@/home/peteryrcc/code/database/dmtc_monitoring.sql
spool off
EOF

export current=$base_path/current_dmtc.log
export historical=$base_path/historical_dmtc.log

grep 'NEW' $current>/dev/null
if [ $? -ne  ];then
        grep 'NEW' $historical>/dev/null
        if [ $? -ne  ];then
                echo 'no found all the time'
        else
                cat $current>$historical
                echo $(date)-------"no found !">>$base_path/dmtc_monitoring.log
                echo 'the DMTC status has been turn to completed, please perform the update'|mail -s "DOCTOR_MODEL_TYPE_CODE issue! " peteryang.rcc@cn.luxottica.com Amy.Xiong@cn.luxottica.com

        fi
else
        grep 'NEW' $historical>/dev/null
        if [ $? -eq  ];then
                echo 'found all the time'
        else
                cat $current>$historical
                echo $(date)-------"found DMTC=11">>$base_path/dmtc_monitoring.log
                cat $current|grep -v SQL|mail -s "DOCTOR_MODEL_TYPE_CODE issue! " peteryang.rcc@cn.luxottica.com Amy.Xiong@cn.luxottica.com
        fi
fi