#! /bin/bash
# 
# strings - demoonstrates string comparisions, call with 2 arguments
#

if [ "$1" = "$2" ];
then
	echo "string1 matches string2"
fi


if [ "$1" != "$2" ];
then
	echo "string1 does not match string2" 
fi


if [ -n "$1" ];
then 
	echo "string1 is not null (has length greater than 0)"
fi

if [ -z "$1" ];
then
	echo "string1 is null (has length 0)"
fi