怎样利用脚本自动关闭sybase数据库

如果是unix,ksh

#!/bin/ksh
LOGIN="`whoami`"
if [ "${LOGIN}" != "sybase" ]; then
echo "`basename $0`: You should login as 'sybase'\n"
exit 0
fi
echo "\n\n"
{
isql -Usa -P -Syourservername >; /dev/null 2>;&1 <use master
go
shutdown SYB_BACKUP
go
shutdown
go
ISQL
}