#!/usr/local/bin/perl 

use POSIX;
use Tk;
use LWP::UserAgent;
use URI::URL;

pipe(FROM_P, TO_C) or die "pipe: $!";
select(((select(TO_C), $| = 1))[0]);

my $ua = LWP::UserAgent->new;

if (!($pid = fork))
{
   close(TO_C);

   while($line = <FROM_P>) {
      print "Child Pid $$ just read this: $line\n";
      chomp($line);
      $url = $line;
      $file = 'yahoo.txt';
      my $req = HTTP::Request->new(GET => $url);
      $req->header('Accept' => 'text/html');
      $res = $ua->request($req, $file);
   };
}
 

my $mw = MainWindow->new();
$button = $mw->Button(-text => "click here to download yahoo web page", -activebackground => 'red',
                     -command => \&printit)->pack();

print "i'm the parent about to mainloop\n";

MainLoop;



sub printit {
   print TO_C "http:\/\/www\.yahoo\.com\n";
}