Re: Handling variable number of output arguments in multi-level function calls

[Jose]

On 12/12/14 14:41, Juan Pablo Carbajal wrote:
> If you use varargout in your f1 function, then you could do
>
> OUT = nthargout (1:nargout, @f2, varargin{:});
>
> and then distribute the cell OUT in the outputs of f1. I think you
> will have to have a special check for the case nargout=1.

That is a possibility as well, thanks. For completeness:
--->
function [o1,o2]=f1(varargin)
  o1=1;
  o2=2;
endfunction

function varargout=f2(varargin)
  if nargout==0, varargout{1}=f1(varargin{:}); return; endif
  OUT=nthargout (1:nargout, @f1, varargin{:});
  if nargout==1,
    varargout{1}=OUT;
  else
    varargout= OUT;
  endif
endfunction
<---
Using this we have
--->
octave:3> f2
ans =  1
octave:4> a=f2
a =  1
octave:5> [a,b]=f2
a =  1
b =  2
<---


J.


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