例

#$sqlplus user/password@instance @script.sql


sql*Plus: Release 10.2.0.1.0 - Production on Wed Aug 7 14:20:44 2013

Copyright (c) 1982,2005,Oracle.  All rights reserved.


Connected to:
Oracle9i Enterprise Edition Release 9.2.0.8.0 - 64bit Production
With the Partitioning,OLAP and Oracle Data Mining options
JServer Release 9.2.0.8.0 - Production

     v$dataf-ile d,*
ERROR at line 6:
ORA-00933: sql command not properly ended


Disconnected from Oracle9i Enterprise Edition Release 9.2.0.8.0 - 64bit Production
With the Partitioning,OLAP and Oracle Data Mining options
JServer Release 9.2.0.8.0 - Production
$echo $?
0
$

我希望在发生错误时返回非零值.

我该如何实现呢？