Re: New feature in mv

[Raphael S Carvalho]

On Tue, Dec 4, 2012 at 11:05 PM, Pádraig Brady <address@hidden> wrote:
> On 12/05/2012 12:45 AM, Raphael S Carvalho wrote:
>>
>> On Tue, Dec 4, 2012 at 10:22 PM, Pádraig Brady <address@hidden> wrote:
>>>
>>> On 12/04/2012 05:04 PM, Paweł Lampe wrote:
>>>>
>>>>
>>>> Hi there !
>>>>
>>>> Few minutes ago, my mate asked me 'is there any way to swap two
>>>> files ?'. I have realized, that the mv has option -S but it's all about
>>>> suffix. I think, there should be also -s for swapping. It should work
>>>> like:
>>>> mv -s a b
>>>> Effect should be like:
>>>> a -> tmp
>>>> b -> a
>>>> tmp -> b
>>>>
>>>> Think about it
>>>
>>>
>>>
>>> A fairly useful feature, but something as noted here
>>> that might be more suited to a separate script,
>>> that could be maintained within coreutils under the
>>> recently mentioned contrib/ directory
>>>
>>> http://lists.gnu.org/archive/html/bug-coreutils/2009-02/msg00014.html
>>>
>>> thanks,
>>> Pádraig.
>>>
>>
>> I read this page:
>> http://lists.gnu.org/archive/html/bug-coreutils/2009-02/msg00014.html
>> So I would really like to create that program. Is it still even needed?
>
>
> Cool, thanks!
>
> I would prototype a script in shell,
> with possibly some of the same considerations as in this "rewrite" script,
> http://lists.gnu.org/archive/html/bug-coreutils/2010-03/txtNTX6owUFov.txt
>
> thanks,
> Pádraig.

I was thinking about writing such a program using C language, though
I'm not sure if it would be the best choice. I could search for the
best data exchange algorithm, so making the program fast and useful.
I'm not sure if they(maintainers) would accept a new program in the
core-utils. As I'm seeing, the program would provide a way to exchange
data between two files, besides changing filenames. Should another
one(feature) be implemented?
I also thought about using Python.

Regards, Raphael S.Carvalho <address@hidden>