Create a stream file in RPG?

I am trying to determine how to output to a stream file in RPG IV.
Essentially, I am trying to create an .RTF document file on the 400, so that
I can open it in Wordpad, or even MS Word.  

I am trying to do a homegrown green-screen documentation utility so that I
can include 5250 screen prints with all the highlighting & underscores in a
Word document.  Since Word understands RTF, and RTF is relatively simple to
build and can handle the bold and underlining attributes, I figured the
programming would be pretty easy.  But it seems that I need to output to a
stream file.

I searched for "stream file" and did not find any reference in the ILE-RPG
manuals.  Will I just have to output to a regular flatfile with, say, a
record length of 500, output one record per print line and use CPYTOSTMF?  

Answer to the inevitable question:  Because I am a travelling contractor and
this is doable.
The inevitable question:  Why not just buy a package to do this?

TIA,
- Dan Bale
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