#!/bin/bash

## show the use of conditional statements.  

## the first command line argument is sam
if [ "$1" == "sam" ]; then
	## display a friendly message
	echo "Hello there"
elif [ "$1" == "mary" ]; then
	## say hi to mary
	echo "Hi mary"
else
	## let them know, we do not know the person
	echo "I do not know you"
fi