Shell Script to read source file and copy it to target file

#!/bin/bash
# Shell to read source file and copy it to target file. If the file
# is copied successfully then give message 'File copied successfully'
# else give message 'problem copying file'
# -------------------------------------------------------------------------
# Copyright (c) 2005 nixCraft project <http://cyberciti.biz/fb/>
# This script is licensed under GNU GPL version 2.0 or above
# -------------------------------------------------------------------------
# This script is part of nixCraft shell script collection (NSSC)
# Visit http://bash.cyberciti.biz/ for more information.
# -------------------------------------------------------------------------
 
echo -n "Enter soruce file name : "
read src
echo -n "Enter target file name : "
read targ
 
if [ ! -f $src ]
then
	echo "File $src does not exists"
	exit 1
elif [ -f $targ ]
then
	echo "File $targ exist, cannot overwrite"
	exit 2
fi
 
# copy file 
cp $src $targ
 
# store exit status of above cp command. It is use to 
# determine  if shell command operations is successful or not
status=$?
 
if [ $status -eq 0 ]
then
	echo 'File copied successfully'
else
	echo 'Problem copuing file'
fi