CASE 1: 
(LOCATION = 'chennai'| LOCATION = 'Banglore')
:VALUE:=LOCATION_COUNT.CHENNAI_BANG
               (&LOCATION,&SALES);
case 2: 
(LOCATION ='SALEM'|LOCATION = 'TRICHY' |LOCATION = 'PONDI')
:VALUE:=LOCATION_COUNT.SAL_TRICHY_PONDI
               (&LOCATION,&SALES);
 
case 3:
(LOCATION = 'TIRUPUR')
:VALUE:=LOCATION_COUNT.GET_TIRUP
               (&LOCATION,&SALES);

cat function_check.ksh
chennai_blr () {
        VALUE=`sqlplus -S /NOLOG << EOF
        CONNECT dbs/passwd@dbtod
        SET head off
        SET serveroutput on
        select LOCATION_COUNT.CHENNAI_BANG
               (&LOCATION,&SALES) from dual;
        exit;
EOF
               }
 
Salem_Trichy_Pondi  () {
VALUE=`sqlplus -S /NOLOG << EOF
        CONNECT dbs/passwd@dbtod
        SET head off
        select :LOCATION_COUNT.SAL_TRICHY_PONDI
               (&LOCATION,&SALES) from dual;
        exit;
EOF`
 
     }
Tirupur () {
               VALUE=`sqlplus -S /NOLOG << EOF
        CONNECT dbs/passwd@dbtod
        SET head off
        select LOCATION_COUNT.GET_TIRUP
               (&LOCATION,&SALES); from dual;
        exit;
EOF`
           }
while read file
do
        if [[ "$file" == "chennai" || "$file" == "banglore" ]]
        then
                chennai_blr
        elif [[ "$file" == "salem" || "$file" == "trichy" || "$file" == "pondi" ]]
        then
                Salem_Trichy_Pondi
        elif [[ "$file" == "tripur" ]]
        then
                Tirupur
        else
                echo "You are out of chennai, blr, Salem_Trichy_Pondi and Tirupur, seems you are in $file"
        fi
done < "function_check"