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Subject: [Bug 95936] egrep(1) misparses multiline parenthetical grouping
Date: Thu, 20 Apr 2017 15:07:20 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D95936

Kyle Evans <bsdports@kyle-evans.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |bsdports@kyle-evans.net

--- Comment #1 from Kyle Evans <bsdports@kyle-evans.net> ---
Hi (delayed response),

This is actually intended behavior. It's not so much that it doesn't correc=
tly
see it, it's that newlines are pattern delimiters, so this is actually brok=
en
into two different patterns: '(', and 'hi)'. To verify, check:

$ printf "hi\nthere" | egrep -o "hi
er"
hi
er
# Correct

This is probably dual purpose:

1. Maintains consistency with file-read patterns (-f)
2. grep is inherently line-oriented, thus making it nonsensical to actually
match on newlines.

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