David Vincent-Jones <geo### [at] galaxynetcom> wrote:
> I am reading in a long list of objects along with their locations.
> Some of the objects are defined in an inc file and some in the main file.
> Some objects may not be defined at all .........
> Is there some way to us a #ifdef type of statement so that the pov file
will
> just skip any non-defined object and display only the defined items?

How about using #ifdef?!  The function works exactly the same, whether a
variable is declared as a float, vector, object, texture, whatever..., e.g.:

#include "Objects.inc"

#ifdef (Object1) object {Object1} #end
#ifdef (Object2) object {Object2} #end

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