#!/bin/csh
#above says use c shell
#first at the command prompt type: chmod +x sum_ex.csh
# that makes the sum_ex.csh executable
# run the cshell script by typing ./sum_ex.csh firstnumber secondnumber
#
printf "hello\n"
# getting the values as strings from the command line
set a = $1
set b = $2
# @ means intepret the string as a number
@ c = $a + $b
printf "a, b, and c are: $a $b $c \n"
