#!/bin/bash
echo -e "\n\n*********~~~~~~~~~~~~~~~~~~~~~~~~~~~~DATE:" `date '+%Y/%m/%d %T'` "~~~~~~~~~~~~~~~~~~~~~~~*********" >>/home/oracle/tablespace.log
export PATH=/opt/oracle/1102/db01/bin:$PATH
export ORACLE_HOME=/opt/oracle/1102/db01/
sqlplus -S /nolog <<eof
conn xx/xx@orcl
spool /home/oracle/tablespace.log append

set line 200;
set Feedback off;
set pagesize 50000;
col member for a45;

select a.tablespace_name,a.summary,b.free,b.maxf "MAX_FREE_EXTENT",b.free_exts "FREE_EXTENTS",
100-b.free/a.summary*100 "USED%"
from
(select tablespace_name,sum(bytes/1024/1024) "SUMMARY" from dba_data_files
group by tablespace_name) a,
(select tablespace_name,sum(bytes/1024/1024) "FREE",max(bytes/1024/1024)
"MAXF",count(*) free_exts
from dba_free_space group by tablespace_name) b
where a.tablespace_name=b.tablespace_name
order by 6 desc;
--col sql_TEXT for a50
--select t.sql_TEXT,t.VERSION_COUNT,t.SHARABLE_MEM from v\$sqlarea t where t.VERSION_COUNT>6;
spool off;

eof
df -m >>/home/oracle/tablespace.log

exit;

######################################################

将上述内容保存到/tmp/tablespace.sh中

然后通过crontab -l -u oracle命令新建计划任务如下：

1 * * * * /bin/bash tmp/tablespace.sh

则每小时将会执行一次脚本，结果将会保存到home/oracle/tablespace.log中

######################################################

以上为在redhat6.4中验证