function init_log()
{
sqlplus -S test/passw0rd@orcl <<EOF
insert into program_log values($id,$day,'$1', sysdate,null,'S',null);
commit
exit
EOF
}
function modify_status(){
sqlplus -S test/passw0rd@orcl <<EOF
update program_log set program_status='$1',end_date=sysdate where id=$id;
commit
exit
EOF
}


function exception_write(){
if [ $? -ne 0 ]
then
 modify_status $status2
exit 1
fi
}
function finish_write(){
if [ $? -eq 0 ]
then
 modify_status $status1
#modify_status $1 $2 $3
 else
#  modify_status $1 $2 $3
 modify_status $status2
exit 1
fi
}
status1=C
status2=F
day=`date "+%Y%m%d"`
id=`sqlplus -S user/1234@test <<EOF
set heading off
select  program_log_seq.nextval from dual;
commit
exit
EOF`

#!/bin/sh
. ~/.bash_profile
source program_log_new.sh    //公用脚本

init_log sh_xx                                            //初始化日志函数调用,传入程序名

shell命令xxx 2>${logdir}/xx_$time.log          
exception_write                                       //发生异常，调用异常，程序退出

shell命令xxx 2>${logdir}/xx_$time.log          
exception_write                                       //发生异常，调用异常，程序退出
....
shell命令xxx 2>${logdir}/xx_$time.log          
finish_write                                       //发生异常，调用异常，程序退出