https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=218806
Bug ID: 218806
Summary: bsdgrep(1)'s -o flag with context is completely wrong
Product: Base System
Version: CURRENT
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: bin
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Compare, with d_context_a.in from /usr/tests/usr.bin/grep:
$ gnugrep -C1 -o pig d_context_a.in
pig
pig
--
pig
pig
pig
# Behavior is same on newer gnugrep.
$ grep -C1 -o pig d_context_a.in
pig
Boar, sow, barrow, or gilt --
pig
Though mountains may topple and tilt.
--
Though you may be thrown over by Tabby and Rover,
pig
pig
pig
-- Thomas Pynchon, "Gravity's Rainbow"
# Ugh
I note here that it *looks* like we should do all of the normal context
behavior but not actually print the context, just the lines that actually
matched and the separators that comes with context. I'll have to create some
further test cases for different scenarios of overlapping/adjacency behavior of
both matching lines and non-matching lines to make sure that's right.
This is likely a really strange corner case that probably won't have any
practical application, but consistency is good.
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