download_configuration not transferring

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 sub downloadConfiguration
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sub downloadConfiguration()
{
  my ($configName, $localFile, $quiet) = (@_);
  $success = 0;
  if ( "" eq $localFile )
  {
    $localFile = $configName;
  }
  if ( "" eq $configName )
  {
    &usage("download");
  }
  open (LOCAL_FILE, ">$localFile") or die("Can't open $localFile for output: $!");
  binmode(LOCAL_FILE);
  my $file_offset = 0;
  my $chunk_size = $defaultChunkSize;
  my $chain_type = 0;
  my $bContinue = 1;
  while ( 1 == $bContinue )
  {
    $soap_response = $ConfigSync->download_configuration
    (
      SOAP::Data->name(config_name => $configName),
      SOAP::Data->name(chunk_size => $chunk_size),
      SOAP::Data->name(file_offset => $file_offset)
    );
    if ( $soap_response->fault )
    {
      if ( 1 != $quiet )
      {
        print $soap_response->faultcode, " ", $soap_response->faultstring, "\n";
      }
      $bContinue = 0;
    }
    else
    {
      $file_offset = $soap_response->result;
      @params = $soap_response->paramsout;
      $file_data = @params[0];
      $chain_type = @params[1];
       Append Data to File
      print LOCAL_FILE $file_data;
      if ( 1 != $quiet )
      {
        print "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\bBytes Transferred: $file_offset";
      }
      if ( ("FILE_LAST" eq $FileChainType->{$chain_type}) or
           ("FILE_FIRST_AND_LAST" eq $FileChainType->{$chain_type}) )
      {
        $bContinue = 0;
        $success = 1;
      }
    }
  }
  print "\n";
  close(LOCAL_FILE);
  return $success;
}