%post

import()
{
echo "Do you want to import file?"
select INPUT in "Y" "N"; do
        case $INPUT in
                Y ) echo "You selected to import file";break;;
                N ) echo "Exiting";exit 0;break;;
        esac
done

read -p "Please file path: " FILE
if [ -d "$FILE" ]; then
      cp $FILE/myFile /opt/tmp/
      echo "Done!"
else
   echo "No File Path."
   done=0
   while [ $done = 0 ]
   do
        echo  "Do you want to abort"
        select INPUT in "Y" "N";
        do
                case $INPUT in
                        Y )
                                echo "Aborting"
                                done=1
                                break
                                        ;;
                        N )
                                 echo "You selected to import"
                                # break
                                 #;;
                                 read -p "Please provide the directory : " FILE
                                 if [ -d "$FILE" ]; then
                                        cp $FILE/myFile /opt/tmp
                                        echo "Done"
                                        done=1
                                else
                                        echo "Aborting."
                                fi
                                break
                                ;;
                esac
           done
   done

fi
}

import
exit 0

if ! exec </dev/tty; then
  : "deal with the case where you simply can't read from the user here"
  exit
fi

# ...the read command will work here.

mount -t cifs //1.2.3.4/share /var/www/html -o username=user

Password:

echo "Do you want to install <some package> [Y/n] "
if exec </dev/tty; then
    read input;
fi

# use input here or below

echo "Do you want to install <some package> [Y/n] " >/dev/tty
if exec </dev/tty; then
    read input;
fi

# use input here or below