Re: what's the corresponding predcate as atomic_list_concat in swi

Can it convert '1 2 3 4 5 6 7' to [1,2,3,4,5,6,7] ?
IIRC,in swi, atomic_list_concat('1 2 3 4 5 6 7', ' ', X).  => X =  
[1,2,3,4,5,6,7]

Best Regards!
在 Thu, 27 Jun 2013 02:22:15 +0800，Daniel Diaz  
<[email protected]> 写道:

> Hi,
>
> the easiest way to convert numbers to atoms and then use atom_concat/3.  
> This should work:
>
> atomic_concat(X1, X2, A3) :-
> 	to_atom(X1, A1),
> 	to_atom(X2, A2),
> 	atom_concat(A1, A2, A3).
>
> to_atom(A, A) :-
> 	atom(A), !.
>
> to_atom(X, A) :-
> 	number_atom(X, A).
>
>
> Daniel
>
> Le 26 juin 2013 à 08:39, Sean Charles <[email protected]> a écrit :
>
>> Hi z_axis,
>>
>> I looked long and hard and I couldn't find anything suitably matched in  
>> the atom and character code sections … sorry.
>>
>> I think somebody that *knows* the language has an opportunity to  
>> hand-roll something at this point… I will also try to do this as an  
>> exercise, it will be good to try.
>>
>> My initial thought would be to use a stream writing to an atom, then  
>> write each atom in the original list plus the intervening comma for all  
>> but the last atom.
>>
>>    open_output_atom_stream ...
>>    write_term_to_atom  … each list member plus a comma
>>    close_output_atom_stream ...
>>
>> Simples. Except I just have to do it. And if it could be used  
>> "backwards" to split the atom then so much the better, like SWI.
>>
>> I am sure somebody else will do it first but I like the look of this so  
>> I shall try as well.
>>
>> Sean.
>>
>>
>>
>>
>> On 26 Jun 2013, at 03:15, z_axis <[email protected]> wrote:
>>
>>> It seems there is just atomic_concat in gprolog ?
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