Re: [Octave-bug-tracker] [bug #59950] exist function

[Delorme, Arnaud]

> exist (table({'foo','bar'}),'’)

0

> exist (table({'foo','bar'}),[])

0

> exist (table({'foo','bar'}),table())

Error using exist
The first input to exist must be a string scalar or character vector.


> 
> If those all return 0 and no error, then I guess the checks are done something
> like this:
> 
> 
> if (nargin == 1)
>  if (isempty (first_arg))
>    return false;
>  else
>    second_arg = "";  ## means search for anything
>  endif
> elseif (nargin == 2
>        && (isempty (first_arg) || isempty (second_arg)))
>  return false;
> end
> ## Check argument types and do the real exist checks ...
> 
> 
> If one or more of those fail, then maybe someone else can figure out an order
> for the argument checks that is both simple and produces the same results as
> Matlab.
> 
> 
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