I created this doc issue: https://github.com/perl6/doc/issues/1591
On 2017-10-07 19:33:40, allber...@gmail.com wrote:
> On Sat, Oct 7, 2017 at 10:21 PM, Itsuki Toyota <perl6-bugs-follo...@perl.org
> > wrote:
>
> > See the following result:
> >
> > $ perl6 -e 'my $proc = Proc::Async.new("yes");
> > $proc.stdout.head(1).tap(&say); await $proc.start;'
> >
> > y
> > y
> > y
> > y
> > y
> > y
> > y
> > y
> > ...
> >
> >
> > I think tap(&say) should output just a 'y' char and completes its work.
> >
>
> No guarantee it's line based, nor do pipes deliver output in lines. You
> wanted a .lines in there to 'rechunk' the output; otherwise I suspect you
> get blocks based on the size of am OS pipe buffer, or similar.
>
> https://docs.perl6.org/type/Supply#method_lines
>
>
