#!/bin/sh -u
# demonstrate the TEST command in an IF statement (string tests)
# Reference: Chapter 11
# string comparison uses "=" not "-eq" (see middle of p.382)
# -IAN! idallen@ncf.ca

# Two different strings
#
if [ "dog" = "cat" ] ; then
	echo "dog/cat: two strings are equal"
else
	echo "dog/cat: two strings are not equal"
fi

# Two same strings
#
if [ "dog" = 'dog' ] ; then
	echo "dog/dog: two strings are equal"
else
	echo "dog/dog: two strings are not equal"
fi

# this next one produces an error message from TEST
# use "=" not "-eq" for string comparisons (see middle of p.382)
#
if [ "dog" -eq "dog" ] ; then
	echo "dog/dog: two strings are equal"
else
	echo "dog/dog: two strings are not equal"
fi