cat list 
Sam
Sam
Kim
Sam
Kim
Jack
Nick
Nick
Smith
Smith

List of Name:-
1-Kim    2-Lee     3-Jack     4-Sam
5-Nick    6-Smith
Which name ou want to change?
1
Kim
Enter Kim: 23
Kim=(23)
Kim (23)  
   Lee(0) 
   Jack(1) 
   Sam(3) 
   Nick(2)   
   Smith(2)

function listname {

echo "List of Name:-"

  echo "1-Kim    2-Lee     3-Jack     4-Sam"
  echo "5-Nick    6-Smith"

name;
 }

function name {
  echo "Which name ou want to change?"
        read iname

        case $iname in
        1 ) echo "Kim"

               read -p "Enter Kim: " Kim
               echo "Kim=($Kim)"
        ;;
        2 ) echo "Lee"

               read -p "Enter Lee: " Lee
               echo "Lee=($Lee)"

        ;;

        3 ) echo "Jack"

               read -p "Enter Jack: " Jack
               echo "Jack=($Jack)"
        ;;

        4 ) echo "Sam"

               read -p "Enter Sam: " Sam
               echo "Sam=($Sam)"
        ;;
        5 ) echo "Nick"

               read -p "Enter Nick: " Nick
               echo "Nick=($Nick)"
        ;;
        6 ) echo "Smith"

               read -p "Enter Smith: " Smith
               echo "Smith=($Smith)"

        ;;

        * ) echo "You did not enter a number"
                echo "between 1 and 6."

esac
setname;
}


function setname {
               [ -z "$Kim" ] && Kim=`cat list | grep -c Kim`
               [ -z "$Lee" ] && Lee=`cat list | grep -c Lee`
               [ -z "$Jack" ] && Jack=`cat list | grep -c Jack`
               [ -z "$Sam" ] && Sam=`cat list | grep -c Sam`
               [ -z "$Nick" ] && Nick=`cat list | grep -c Nick`
               [ -z "$Smith" ] && Smith=`cat list | grep -c Smith`
output;
    }

 function output {

 echo "Kim ($Kim)
   Lee($Lee)
   Jack($Jack)
   Sam($Sam)
   Nick($Nick)
   Smith($Smith)"
  }
echo "Hello"
listname;