basic interactive readf from stdin

[Adam D. Ruppe via Digitalmars-d-learn]

On Saturday, 26 December 2015 at 20:11:27 UTC, karthikeyan wrote:
> I experience the same as the OP on Linux Mint 15 with dmd2.069 
> and 64 bit machine.  I have to press enter twice to get the 
> output. I read http://ddili.org/ders/d.en/input.html and 
> inserted a space before %s but still no use. Am I missing 
> something here with the latest version?

Oh, I'm sorry, it isn't buffering, it is readfing into a string 
here which is weird. Maybe try readln instead of readf.