I tried something: It stacs on the same place as if i do a regulag fh created by open3.
After stack i recieve many lines in one time not as they appear :( 
my $pty = new IO::Pty;
my $read = $pty->slave;
my ($write,$err);
$ppid = open3($write, $read,$err, "$bin_dir/$bin $args $pidfile");
print "=>" .  $_ while(<$read>);

[download]
And this shows nothing: 
my $pty = new IO::Pty;
local *READ = $pty->slave;
my ($write,$err);
$ppid = open3($write, ">&READ",$err, "$bin_dir/$bin $args $pidfile");
print "=>" .  $_ while(<READ>);

[download]

In reply to Re^2: IPC::Open3 emulate tty mode on stdout handle (pty) by MiklerGM
in thread IPC::Open3 emulate tty mode on stdout handle by MiklerGM

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