IN and OUT template processors ?

[Brian Goetz]

> thinking a little bit about STR and FMT, I wonder if we should not introduce also two other template processors, IN and OUT.
>
> IN is the input template processor, it asks a user for a string on the standard input
>    String name = IN."what is your name ?";
>
> It works like input (raw_input) in Python or scanf in C.

OMG, please no.  Having a template processor do side-effects would be 
awful.