Shell Programming and Scripting

ip=$1
 test=$(cat /etc/hosts | grep -c $ip)
            if [ $test -eq 1 ]; then
                clogin `awk '/'"$ip"'/ {print $2}' /etc/hosts `
                    else
                    options=$"`awk '/'"$ip"'/ {print $1 "--"  $2}' /etc/hosts`"
                    echo
                    echo "There were $test matches for '$ip' found"
                    echo
                    echo "Please select the site you would like to login to:"
                    echo
                    select opt in $options;do
                    echo " "
                    clogin $opt
                    exit 1
                    done

./test springs

There were 3 matches for 'springs' found

Please select the site you would like to login to:

1) 10.1.1.2--hostname_with_springs1
2) 10.1.1.3--hostname_with_springs2
3) 10.1.1.4--hostname_with_springs3

ip=$1
test=$(grep -c $ip /etc/hosts)
if [ $test -eq 1 ]; then
  clogin $(awk '/'"$ip"'/ {print $2}' /etc/hosts)
else
  options=$(awk '/'"$ip"'/ {printf $1 " " $2","}' /etc/hosts)
  echo
  echo "There were $test matches for '$ip' found"
  echo
  echo "Please select the site you would like to login to:"
  echo
  ( IFS=,
    select opt in $options
    do
      echo " "
      clogin ${opt%% *}
      exit 1
    done )
fi

if [ -z "$opt" ]
then
    echo "Invalid choice!"
else
   ....
fi

clogin ${opt%% *}

options="10.1.1.2 hostname_with_springs1,10.1.1.3 hostname_with_springs2,10.1.1.4 hostname_with_springs3"
  ( IFS=,
    select opt in $options
    do
      if [ -z "$opt" ]
      then
          echo "Invalid choice"
      else
          echo " "
          echo "You choose ${opt%% *}"
          break
      fi
    done )