#!/usr/bin/csh
#File's name: countdown.csh
#Author: Jen Chen
#Updated on: 
#Copyrighted by Jen Chen
##############################################
#Example about using WHILE-loop in C-shell.

set count = 0
set num = 10

while ( $num > $count )
	echo $num
	@ num = $num - 1
	sleep 1
   if ( $num == 0 ) then
   	echo "Lift off"
   endif
end