Linux sh脚本用spool导出oracle数据库指定表表数据

脚本如下，已验证可用，可配合crontab使用。
 1 #!/bin/bash

 cd /opt/oracle/datafor_kf

 #redirect environment variables
 source /opt/oracle/.bash_profile

 #timestamp:YYYYmmdd
 fdate=`date +%Y%m%d`

 localGtFile="tcm_local_gtt_list_$fdate.txt"
 allGtFile="tcm_all_gtt_list_$fdate.txt"
 ecFile="tcm_ec_smsc_server_$fdate.txt"
 spFile="tcm_sp_smsc_server_$fdate.txt"

 #login
 /opt/oracle/app/oracle/product/12.2./dbhome_1/bin/sqlplus uid/pwd@hostname:port/db<<EOF
 SET echo off
 SET feedback off
 SET newpage none
 SET pagesize
 SET linesize
 SET verify off
 SET term off
 SET trims ON
 SET heading off
 SET trimspool ON
 SET trimout ON
 SET timing off

 --tcm_local_gtt_list
 spool "/home/ftp_kf/$localGtFile"
 SELECT province||','||busi_city||','||area_code||','||gt||','||bel_hlr||','||spc||','||ser_type from TCM_GMSCSERVER_GT;
 spool off

 --tcm_all_gtt_list
 spool "/home/ftp_kf/$allGtFile"
 --used
 SELECT province||','||busi_city||','||area_code||','||start_gt from TCM_CMCC_DATA_JT;
 --test
 --SELECT province||','||busi_city||','||area_code||','||start_gt from TCM_CMCC_DATA_JT where start_gt='';
 spool off

 --tcm_ec_smsc_server
 spool "/home/ftp_kf/$ecFile"
 --used
 SELECT SERVER_CODE||','||EC_NAME||','||MAIN_ACCESS_ADDR||','||'hy' type from HY_SMGATE;
 --test
 --SELECT SERVER_CODE||','||EC_NAME||','||MAIN_ACCESS_ADDR||','||'hy' type from HY_SMGATE where SERVER_CODE='';
 spool off

 --tcm_sp_smsc_server
 spool "/home/ftp_kf/$spFile"
 SELECT SERVER_CODE||','||SP_CONTENT_NAME||','||MAIN_ACCESS_ADDR from TCM_SP_NETGATE;
 spool off

 exit
 EOF

 #del line where it start by 'SQL'
 /bin/sed -i '/SQL/d' $localGtFile
 /bin/sed -i '/SQL/d' $allGtFile
 /bin/sed -i '/SQL/d' $ecFile
 /bin/sed -i '/SQL/d' $spFile

 #del file before today
 /bin/find /home/ftp_kf/* -mtime +1 -exec rm {} \;