Thanks greatly .  But your example has povray reading something already set
up in SDL. You're adding "\n" 's and so forth.  What if there's no "\n"?
Suppose I have some more sophisticated files which are too big to hand-edit
into SDL-compatible code.
Is povray capable of reading these, and if so could you humor me by showing
an example.

just a generic idea of code that enables it to read "whatever's there."
Then I can do my own "parsing" of the data, perhaps looking for commas and
the like.

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