Shell Programming and Scripting

#!/bin/bash 
#Checks if you are root or not 
if test "`id -u`" -ne 0
	then 
	echo "You need to run this script as root!" 
	exit 
fi
#here needs to start a loop that lists all the packages like dpkg -l does one for one and
#asks for user input. I got as far as the code below. But the script does not stop yet to ask
#after every file, any suggestions?
for pkg in `dpkg -l`
do
	echo Found package: $pkg
done
		echo "Do you wish to install $pkg ?"
		select yn in "Yes" "No"
		do
		    case $yn in
		        Yes ) apt-get -d install $apl; break;;
		        No ) exit;;
		    esac
		done
	# continue...

#!/bin/bash
#
echo "do you want to INSTALL"
printf 'enter [y/n] '
read ans
case ${ans:=y} in [yY]*) ;; *) exit ;; esac
echo "do the rest to INSTALL"
exit