In the little fix I came up with for psql last night, I need to be able
to ensure that something sent to a pipe (and then to stdout) completes 
before issuing the prompt directly to stdout.  

I did this with: "system ('sleep 1');", but I'm fairly sure that is 
not portable nor does it ENSURE completion. 

What's the proper way to do this?  And what's a good book on writing
portable code?
Mike Nolan

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