eval用法
[root@testlogs]#cata.cfg
#!/bin/bash
username=oracle
oracle_1=aa
oracle_2=bb
oracle_3=cc
[root@testlogs]#cata.sh
#!/bin/bash
../a.cfg
typesetname=oracle
foriin`echo"123"`
do
evaldbname='$'${name}_${i}
echo$dbname
done
[root@testlogs]#cata.cfg
#!/bin/bash
username=oracle
oracle_1=aa
oracle_2=bb
oracle_3=cc
[root@testlogs]#cata.sh
#!/bin/bash
../a.cfg
typesetname=oracle
foriin`echo"123"`
do
evaldbname='$'${name}_${i}
echo$dbname
done