Connect to Database Without Setting Environment

>>Script Language and Platform: Oracle
This script will gather the information from /var/opt/oracle/oratab, will set the environment and will prompt you to type a valid sid.

Author: Mssvng Narasimham Softenger India Pvt. Limited

#!/bin/sh
cls
echo “Available SIDs :- n”
sids=`ps -ef | grep pmon | grep -v grep |awk -F”_” ‘ { print $3 }’ `
echo $sids
echo “nnEnter from above : c”
read ORACLE_SID
test=`echo $sids | grep “$ORACLE_SID” | wc -l`
if [ $test -eq 1 ]; then
ORACLE_HOME=`grep “$ORACLE_SID” /var/opt/oracle/oratab | cut -d: -f2`
if [ “$ORACLE_HOME” = “” ]; then
echo “ORACLE_SID not in oratab !”
exit
fi
PATH=$ORACLE_HOME/bin:/usr/bin
export ORACLE_HOME PATH ORACLE_SID
echo “nEnvironment set
as…nnORACLE_SID=$ORACLE_SIDnORACLE_HOME=$ORACLE_HOMEnPATH=$PATHn”
usr=`id | awk -F”)” ‘ { print $1 } ‘ | awk -F”(” ‘ {print $2} ‘`
if [ “$usr” = “root” ]; then
su oracle -c “sqlplus ‘/ as sysdba'”
exit
elif [ “$usr” = “oracle” -o “$usr” = “orbit” ] ; then
sqlplus ‘/ as sysdba’
else
sqlplus
fi
else
echo “Stupid Enter Valid SID !”
fi

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