Date: Fri, 20 Jun 2008 13:14:45 +0200 From: Gabor Kovesdan <gabor@FreeBSD.org> To: Jaakko Heinonen <jh@saunalahti.fi> Cc: Doug Barton <dougb@FreeBSD.org>, current@FreeBSD.org, Diomidis Spinellis <dds@aueb.gr>, hackers@FreeBSD.org, "Sean C. Farley" <scf@FreeBSD.org>, Max Khon <fjoe@samodelkin.net> Subject: Re: CFT: BSD-licensed grep [Fwd: cvs commit: ports/textproc/bsdgrep Makefile distinfo] Message-ID: <485B9125.1000307@FreeBSD.org> In-Reply-To: <20080618052347.GA1877@a91-153-120-204.elisa-laajakaista.fi> References: <485453F2.60507@FreeBSD.org> <4854BC29.3060507@FreeBSD.org> <485807CD.1030601@FreeBSD.org> <20080618052347.GA1877@a91-153-120-204.elisa-laajakaista.fi>
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Jaakko Heinonen escribió: > On 2008-06-17, Gabor Kovesdan wrote: > >>> egrep: empty (sub)expression >>> >>> >> I've looked at this and I have a patch with a workaround: >> http://kovesdan.org/patches/grep.dougb.diff >> > > Unfortunately this breaks things. For example: > > $ grep -E '(test||test)' /dev/null > grep: parentheses not balanced > $ grep -E '(test|\|)' /dev/null > grep: parentheses not balanced > $ grep -E '\(|test)' /dev/null > (should give an error but it hangs) > Ugly enough, but seems to be fixed in my working copy. Thanks for the report. Gabor
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