test/shell/manpage-barriers.test

   1 # Test the --barriers examples from the manpage.
   2
   3 # The first one matches a line it probably shouldn't.
   4 echo 127.0.0.100 | grep -P $(echo 127.0.0.1/32 | dist/build/hath/hath)
   5 >>>
   6 127.0.0.100
   7 >>>= 0
   8
   9 # This one uses --barriers, and doesn't match that same line.
  10 echo 127.0.0.100 | grep -P $(echo 127.0.0.1/32 | dist/build/hath/hath -b)
  11 >>>
  12 >>>= 1
  13
  14 # But, using barriers makes the regexp match something it shouldn't.
  15 echo x127.0.0.1x | grep -Po $(echo 127.0.0.1/32 | dist/build/hath/hath -b)
  16 >>>
  17 x127.0.0.1x
  18 >>>= 0