#!/bin/bash
# COMP 198  Spring 2026
# bash4.sh
# Command line args

echo "Zero is:" $0             # command name itself
echo "First is:" $1            # command line args
echo "Second is:" $2           # variables are called "positional variables"
let "three = $1 + $2"          # $ still evaluate variables, even though in " "
echo "Sum:" $three