CFT: BSD-licensed grep [Fwd: cvs commit:
ports/textproc/bsdgrep Makefile distinfo]
Jaakko Heinonen
jh at saunalahti.fi
Wed Jun 18 05:43:40 UTC 2008
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)
--
Jaakko
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