Shell Script với sqlplus và các ký tự đặc biệt trên mật khẩu

Định cấu hình tệp cấu hình sqlnet.ora để kết nối dễ dàng.

NAMES.DIRECTORY_PATH= (TNSNAMES,ezconnect)

Thay đổi mật khẩu @T! Ger thành người dùng "Scott".

[email protected]:~>
[email protected]:~> sqlplus / as sysdba

SQL*Plus: Release 11.2.0.3.0 Production on Mon Jan 29 11:05:04 2018

Copyright (c) 1982, 2011, Oracle.  All rights reserved.


Connected to:
Oracle Database 11g Release 11.2.0.3.0 - 64bit Production

SQL> alter user "Scott" identified by "@T!ger";

User altered.

Ví dụ 1 Tập lệnh là test_echo.sh

    #!/bin/sh

    username=\"Scott\"
    password=\"@T!ger\"
    ezconnect=10.89.251.205:1521/esmd

    echo username:  $username
    echo password:  $password
    echo ezconnect  $ezconnect

 echo -e 'show user \n  select 1 from dual;\nexit;' |  sqlplus  $username/[email protected]$ezconnect

[email protected]:~> ./test_echo.sh
username: "Scott"
password: "@T!ger"
ezconnect 10.89.251.205:1521/esmd

SQL*Plus: Release 11.2.0.3.0 Production on Mon Jan 29 11:02:52 2018

Copyright (c) 1982, 2011, Oracle.  All rights reserved.


Connected to:
Oracle Database 11g Release 11.2.0.3.0 - 64bit Production

SQL> USER is "Scott"
SQL>
         1
----------
         1

SQL> Disconnected from Oracle Database 11g Release 11.2.0.3.0 - 64bit Production

Ví dụ 2 Chạy script test_echo.sh ở chế độ im lặng sqlplus

#!/bin/sh

username=\"Scott\"
password=\"@T!ger\"
ezconnect=10.89.251.205:1521/esmd

echo username:  $username
echo password:  $password
echo ezconnect  $ezconnect
echo -e 'show user \n  select 1 from dual;\nexit;' |  sqlplus -s  $username/[email protected]$ezconnect

[email protected]:~> [email protected]:~> ./test_echo.sh
username: "Scott"
password: "@T!ger"
ezconnect 10.89.251.205:1521/esmd
USER is "Scott"

         1
----------
         1

Ví dụ 3 Một chút cú pháp khác

#!/bin/sh

username=\"Scott\"
password=\"@T!ger\"
ezconnect=10.89.251.205:1521/esmd


echo username:  $username
echo password:  $password
echo ezconnect: $ezconnect

testoutput=$(sqlplus -s $username/[email protected]$ezconnect  << EOF
set pagesize 0 feedback off verify off heading off echo off;
show user
SELECT to_char(sysdate,'DD-MM-YYYY HH24:MI')||' Test passed' from dual
exit;
EOF
)

echo $testoutput

[email protected]:~> ./test_Upper_case.sh
username: "Scott"
password: "@T!ger"
ezconnect: 10.89.251.205:1521/esmd
USER is "Scott" 29-01-2018 11:55 Test passed