basic interactive readf from stdin

[Ali Çehreli via Digitalmars-d-learn]

On 12/26/2015 11:40 AM, Jay Norwood wrote:
> Simple VS console app in D.  Reading lines to a string variable
> interactively. Object is to have no extra blank lines in the console
> output.  Seems very broken for this use, requiring two extra "enter"
> entries before the outputs both appear. Version DMD32 D Compiler v2.069.2
>
> import std.stdio;
>
> int main(string[] argv)
> {
>   string nm;
>   stdin.readf("%s\n",&nm);
>   writeln("nm:",nm);
>   stdin.readf("%s\n",&nm);
>   writeln("nm:",nm);
>   return 0;
> }
>
> ======== io shown below
> 123
> 456
> nm:123
>
> nm:456
>

Reading lines with readln works in a Linux console:

import std.stdio;
import std.string;

int main(string[] argv)
{
     string nm;

     nm = readln.strip;
     writeln("nm:",nm);

     nm = readln.strip;
     writeln("nm:",nm);

     return 0;
}

Ali