readf for the novice

[Jesse Phillips]

Mafi Wrote:

> That sounds really cool. Having things like this in the std lib would 
> allow you to write great consistent utilities with simple and short 
> code. If such functions will ever get into phobos (what I really hope), 
> they should get their own module. What do you thinke about 
> 'std.interact'? Anyways, sounds great!
> 
> Mafi

Is there anything you would consider adding? I guess I'll make the needed changes and submit it for review. I named the module cmdln.feedback  I never really thought that a great fit, but I can agree it really shouldn't be in std.stdio.