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    my $section;
    ($section, $datum) = unpack "wa*", $payload;
    if ($section == 0) {
      # Oops. Strip off the length.
      ($length, $datum) = unpack "wa*", $datum;
    }
    $got{$section} = $datum;
  }
  carp "Did not find first section in files @_" unless defined $length;

  my $data = join '', map {$got{$_}} sort {$a <=> $b} keys %got;
  substr ($data, $length) = '';

  $data;
}

1;
__END__

=head1 NAME