Hi Monks
How can I change a Tk main window fileevent to go for reading the incoming data every 100ms. Below is my code.
You may even give other small example as well to show this.

use Tk;

open(CHILD, "./fileevent2piper 2>&1 |") or die "Can't open: $!";

my $mw = new MainWindow;
my $t = $mw->Scrolled("Text",-width => 80, -height => 25, -wrap => 'no
+ne');
$t->pack(-expand => 1);
$mw->fileevent('CHILD', 'readable', [\&fill_text_widget, $mw]);
MainLoop;

sub fill_text_widget {
 
my ($widget) = @_;

if (eof(CHILD)) {
        $widget->fileevent('CHILD', "readable", undef); # cancel bindi
+ng
        return ;
    } else {
        if (sysread ('CHILD', $_, 128)) {
            print "here $_ \n";
            $t->insert('end', $_); # Append the data read
            $t->yview('end');
        } else {
            $t->insert('end', times);
            $t->yview('end');
            $widget->fileevent('CHILD', "readable", undef); # cancel b
+inding
            return;
        }
    }

}
[download]

The fileevent2piper code is

$|++;

for my $i ( 0 .. 5) {
        print $i, "\n";
        print `ls -la`;
        sleep 1;
    }


[download]