Shell Programming and Scripting

if [ "end_ct" = "END CAT" ] ; then

if [ "end_ct" = "END CAT" ] ; then
echo $end_ct
else
echo "value not found"
fi

echo "end_ct = {$end_ct}"
if [ "$end_ct" = "END CAT" ]; then
      echo $end_ct
else
      echo "value not found"
fi

end_ct = {END CAT}
END_CAT

echo "end_ct = {$end_ct}"
if [ "$end_ct" = "END CAT" ] ; then
echo $end_ct
else
echo "value not found"
fi

"TRIM(DESCR
----------
END CAT"

end_ct=`sqlplus -s $ORACLE_USER/$ORACLE_PASS@$ORACLE_SID   << EOF
                select trim(description) from bravo_statistics
                where trunc(time_stamp)=trunc(sysdate)-5
                and description='END CAT';

a=$end_ct

and further my condition is 
if [ "$end_ct" = "$a" ] && [ $emtr_cnt -eq 1 ] ; then
echo $end_ct
else
echo "value not found"
fi

sqlplus -s $ORACLE_USER/$ORACLE_PASS@$ORACLE_SID   << EOF > sql_output.txt
                select trim(description) from bravo_statistics
                where trunc(time_stamp)=trunc(sysdate)-5
                and description='END CAT';
EOF

end_ct=`sed -n '3p' sql_output.txt`

end_ct=`sqlplus -s $ORACLE_USER/$ORACLE_PASS@$ORACLE_SID   << EOF > sql_output.txt
                select trim(description) from bravo_statistics
                where trunc(time_stamp)=trunc(sysdate)-5
                and description='END CAT';
EOF`
echo $end_ct;
emtr_cnt=`sqlplus -s $ORACLE_USER/$ORACLE_PASS@$ORACLE_SID   << EOF >> sql_output.txt
                select count(*) from mrs.bill_cal
                where trunc(actual_run_date)=trunc(sysdate)-4;
EOF`
echo $emtr_cnt;
#echo "end_ct = {$end_ct}"
a=`sed -n '4p' sql_output.txt`
b=`sed -n '9p' sql_output.txt`
echo "$a"
echo "$b"
if [ "$a" = "END CAT" ] && [$b -eq 1 ] ; then
echo "value found"
else
echo "value not found"
fi