Re: [PATCH 4/4] Add 'filter' attribute and external filter driverdefinition.

> On Sun, 22 Apr 2007, David Lang wrote:
>
>> On Sat, 21 Apr 2007, Junio C Hamano wrote:
>>
>>>> 3. why specify seperate clean/smudge programs instead of just one
>>>> script with a read/write parameter?
>>>
>>> I think the most common two ways have clean as a cleaner and
>>> smudge as a no-op (similar to crlf=input conversion), or clean
>>> and smudge are inverse operations (similar to crlf=true
>>> conversion.  I do not see a sane case where clean and smudge are
>>> the same, unless you are thinking about the toy demonstration
>>> test piece I added to t0021 which uses rot13 as both clean and
>>> smudge filters.
>>
>> actually, I'm thinking of much more complicated filters, where it's easier to
>> have one program do both functions then it is to have two seperate programs
>> (like tar -c /tar -x)
>
> Just specify the same program in both entries with the appropriate
> parameter and be happy.
>
> It is much easier to have two entries with the same program than having
> only one entry when you actually have two separate programs.