Delay function?

Brendan brenzie at gmail.com
Tue Sep 2 16:16:52 PDT 2008


BCS Wrote:

> Reply to Brendan,
> 
> > Jarrett Billingsley Wrote:
> > 
> >> On Tue, Sep 2, 2008 at 1:37 PM, Chris R. Miller <
> >> lordSaurontheGreat at gmail.com> wrote:
> >>> Brendan wrote:
> >>> 
> >>>> Jarrett Billingsley Wrote:
> >>>> 
> >>>>> </blockquote></div><br>If you're expecting it to pause after each
> >>>>> 
> >>> character.. you're missing braces around the body of the for loop,
> >>> this isn't Python ;)<br></div>
> >>> 
> >>>> Oooooh, what a foolish mistake! How could I forget that? Thanks for
> >>>> 
> >>> pointing it out.
> >>> 
> >>>> But the result isn't fruitful, though. When I run it, all I get is
> >>>> an
> >>>> 
> >>> empty screen, then after many seconds the whole string is displayed
> >>> at once (not to mention I set the sleep time to 0.1 seconds). I'm
> >>> probably missing something. Any idea?
> >>> 
> >>> Flush the output?
> >>> 
> >> Totally.
> >> 
> >> foreach(ch; s) { write(ch); fflush(stdout); system("pause 0.2"); }
> >> 
> > Thanks! With a little quick tweaking it worked. But, even though I see
> > the effective result, I don't entirely understand what it means "to
> > flush" the output. I've never heard of this concept before and Google
> > doesn't seem to return any useful answers. Could you explain?
> > 
> 
> The act of making the screen show text is rather costly in time, so generally 
> libs buffer your output, often until a newline or some preset amount. Flush 
> just forces a buffer flush and the resultant output.
> 
> 

Thanks for your responses, BCS. This is the first time I'm kind of communicating through a newsgroup such as this, as I'm normally used to a forum. Why are your two messages separate from the thread?


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