Re: newline in a simple program

["Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>]

On Tue, 18 Dec 2007 12:28:28 GMT, Paul wrote:

> Hi, given the following two simple programs
> 
> hello.adb
> -----------------------
> with ada.text_io;
> procedure hello is
> begin
> ada.text_io.put("hello");
> end hello;
> -----------------------
> 
> 
> hello.c
> -----------------------
> #include <stdio.h>
> int main()
> {
>      printf("hello");
> }
> -----------------------
> 
> the result for the ada program is:
> -----------------------
> $ ./hello_in_ada
> hello
> $
> -----------------------
> 
> and for the c program:
> -----------------------
> $ ./hello_in_c
> hello$
> -----------------------
> 
> The c program does not print a new-line, but the ada program does.
> 
> Is there any way to make the ada program not print a new-line?
> 
> And is this behavior part of the Ada standard or is it just part of gnat?
> 
> I looked for answers, but found none.

You can use stream I/O in order to make sure that Text_IO wouldn't add page
formatting you don't need:

with Ada.Text_IO.Text_Streams;

use Ada.Text_IO;
use Ada.Text_IO.Text_Streams;

procedure Hello is
begin
  String'Write (Stream (Standard_Output), "hello");
end Hello;

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de