"$Bill Luebkert" wrote:
>
> Mark Zvolanek wrote:
> >
> > Hi Carl,
> > I am sorry I don't understand.
> >
> > I was talking about $| variable and not $!.
> >
> > I am trying to figure out why my perl code
> > is buffering the (STDOUT) output of the executable
> > even though I have set the variable $| to 1.
> > Whereas when I execute the executable at
> > the command prompt its output is not buffered.
> >
> > You also said: The PIPE handle is an input handle.
> > Why is it then my perl code below produces output
> > as passed to it by the executable.
> > ...
> > while (<PIPE>){
> > print;
> > }
> > ...
>
> A new little test shows some insight. Maybe buffering isn't used when
> writing to the console (vs a file/pipe):
>
> Driver:
>
<snip to last test block>
> # this should print 1 line per second
Whoops, this last one should wait 10 seconds and then print all 10 lines
if buffering is on, but doesn't when going direct to console.
--
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