# Test the --barriers examples from the manpage.

# The first one matches a line it probably shouldn't.
echo "127.0.0.100" | grep -P $(dist/build/hath/hath <<< "127.0.0.1/32")
>>>
127.0.0.100
>>>= 0

# This one uses --barriers, and doesn't match that same line.
echo "127.0.0.100" | grep -P $(dist/build/hath/hath -b <<< "127.0.0.1/32")
>>>
>>>= 1

# But, using barriers makes the regexp match something it shouldn't.
echo "x127.0.0.1x" | grep -Po $(dist/build/hath/hath -b <<< "127.0.0.1/32")
>>>
x127.0.0.1x
>>>= 0