Re: grep(1) bug - duplicate output lines

On Wednesday, 27 September 2023 at 22:30:43 -0500, Kyle Evans wrote:
> On 9/27/23 21:40, Jamie Landeg-Jones wrote:
>> When using color=always and a regex of '.' (for example), output lines
>> are duplicated.
>>
>> $ grep --version
>> grep (BSD grep, GNU compatible) 2.6.0-FreeBSD
>>
>> E.G.:
>>
>> $ grep --color=always . /etc/fstab
>
> I think this is what we want:
>
> https://people.freebsd.org/~kevans/grep-color.diff

That looks surprisingly complicated.  FWIW, this issue didn't occur
with older versions of grep.

Greg
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