while(@ready = $sel->can_read)
{
  foreach my $fh(@ready)
  {
    my $line = "";
    my $buf = "";

#    while(read($fh, $buf, 1024))
 while( my $bytes_read = sysread( $fh, $buf, 1024 ) > 0 )  ) {
      print "$bytes_read\n";
   {
      $line .= $buf;
    }
  }
}