Doubled newlines

[Andrej Mitrovic]

It makes sense now. Thanks. :)

Steven Schveighoffer Wrote:

> On Sat, 31 Jul 2010 23:10:05 -0400, Andrej Mitrovic  
> <andrej.mitrovich at gmail.com> wrote:
> 
> > Oh and I'm getting the same issue in Python when using CR only. I don't  
> > know why I have the CR option in the text editor if it doesn't work  
> > properly. I guess CR is used on the Macs maybe..?
> >
> > Andrej Mitrovic Wrote:
> >
> >> I'm getting normal newlines here (XP):
> >>
> >> C:\output>test.exe
> >> import std.file: readText;
> >> import std.stdio: write;
> >> void main() {
> >>     string s = readText("test.d");
> >>     write(s);
> >> }
> >>
> >> The text used CR+LF newlines. I also tried them using LF newlines,  
> >> which worked fine. But I've then tried with CR and that gives out weird  
> >> output like so:
> >>
> >> }   write(s);= readText("test.d");
> 
> CR means carriage return.  This is for old-style line printers.  When you  
> sent a CR, it means, literally, move the carriage back to the front of the  
> line.  When you sent a LF (line feed), it means, feed the paper another  
> line.
> 
> If you printed a file to such a printer with just line feeds, you would  
> see:
> 
> import std.file: readText;
>                            import std.stdio: write;
>                                                    void main() {
> ...
> 
> 
> If you printed the file with just CRs, you would see all the lines  
> super-imposed over eachother, because the paper is never moved, just the  
> carriage is returned.
> 
> This is the effect you are seeing, each line is super-imposed over the  
> other.  However, on a terminal, you don't see the residual letters from  
> previously printed lines, they are completely overwritten.
> 
> Essentially, if you put in a sleep between printing each line, what you'd  
> see is this:
> 
> import std.file: readText;
> 
> .. pause ..
> 
> import std.stdio: write;t;
> 
> .. pause ..
> 
> void main() {dio: write;t;
> 
> ....
> 
> Hope this helps ;)
> 
> -Steve