Connect to oracle database from shell script
<p>I am trying to connect to an oracle database from a shell script . Script for connecting to database is given below:</p>

<pre><code>#!/bin/bash
# Shell script to run sql files from command line.
# Pre-Req: sqlplus client shall be installed already.
###########################################################
# Variables Section (DB Details)
###########################################################
driverClassName=oracle.jdbc.driver.OracleDriver
url="(description=(address_list=(address=(protocol=TCP)(host=oradb.test.env.org)(port=1521)))(connect_data=(service_name=TEST_S)))"
DB_UserName="abc"
DB_Password="abc"
LogDirectory="/var/tmp/logs"
DataDirectory="/var/tmp/data"
DB_HostName="oradb.test.env.org"
DB_Port="1521"
DB_SID="KONTOR"
DIR_SqlFiles="C:\git\sql"
##########################################################
# All Script Functions Goes Here
##########################################################


db_statuscheck() {
  echo "`date` :Checking DB connectivity...";
  echo "`date` :Trying to connect "${DB_UserName}"/"${DB_Password}"@"${DB_SID}" ..."
  echo "exit" | sqlplus -S ${DB_UserName}/${DB_Password}@${url} | grep -q "Connected to:" &gt; /dev/null
  if [ $? -eq 0 ]
  then
     DB_STATUS="UP"
     export DB_STATUS
     echo "`date` :Status: ${DB_STATUS}. Able to Connect..."
  else
     DB_STATUS="DOWN"
     export DB_STATUS
     echo "`date` :Status: DOWN . Not able to Connect."
     echo "`date` :Not able to connect to database with Username:  "${DB_UserName}" Password: "${DB_Password}" DB HostName: "${DB_HostName}" DB   Port: "${DB_Port}" SID: "${DB_SID}"."
     echo "`date` :Exiting Script Run..."
     exit
     fi
 }

Main() {
   echo "`date` :Starting Sql auto run script."
   db_statuscheck
   echo "`date` :Sql auto run script execution completed."
}

Main | tee autosql.log
</code></pre>

<p>When I tryto connect directly from terminal connection string works, but from shell script it fails. Output I am getting is:</p>

<pre><code> 7. apr 2016 15:18:09 :Starting Sql auto run script.
 7. apr 2016 15:18:09 :Checking DB connectivity...
 7. apr 2016 15:18:09 :Trying to connect abc/abc@TEST_S ...
 7. apr 2016 15:18:09 :Status: DOWN . Not able to Connect.
 7. apr 2016 15:18:09 :Not able to connect to database with Username: abc  abc Password: kjopsprosesser_utv4 DB HostName: oradb.test.env.orgDB Port: 1521 SID: TEST_S
 7. apr 2016 15:18:09 :Exiting Script Run...
</code></pre>