Chad Wagner wrote:
> 1. if pset.notty is set and '-f' switch is not set then use
> simple_prompt -- deals with SQL script redirection case and '-f' is
> not used, and not interactive
> 2. else then use gets_fromFile(stdin) <or some other alternative?>
> (read from stdin)

That seems a bit too complicated.  Programs generally shouldn't behave 
differently depending on whether stdin or stdout are redirected.

I was just raising the point because the shell command "read" reads from 
stdin and is quite useful noninteractively.  I'm not sure, however, 
that the proposed \prompt command has much use in that regard.

-- 
Peter Eisentraut
http://developer.postgresql.org/~petere/

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