#!/bin/bash
sql_str=`sqlplus -S user_name/user_password@service_name <<EOF
select sysdate
  from dual;
EOF`
echo sql_str

sqlplus -silent user_name/user_password@service_name >/home/infa/shell_home/tmp/sql_file.txt <<EOF
set pagesize 0  # 不换页显示
set feedback off # 关闭反馈信息
set heading off; # 不显示列标题
set linesize 1000; # 输出一行字符个数，缺省为1000
col sysdate for a1000; # 格式化列的显示格式，最大显示1000个字符

select 1 || '|' || 2 || '|' || 3 || '|' || 4
  from dual;
  
EOF

while read line
do

eval $(echo $line |awk -F "|" '{print "var1=\""$1"\";var2=\""$2"\";var3=\""$3"\";var4=\""$4"\""}')

echo $var1
echo $var2
echo $var3
echo $var4

done</home/infa/shell_home/tmp/sql_file.txt