foreach my $key (@keys){
        if(!defined($self->{output}->{$key}->{fh}) && !$self->{output}->{$key}->{type}  eq
        'named_pipe'){
            croak "undefined fh for key $key\n";
        }
        given($self->{output}->{$key}->{type}){
            when('named_pipe'){
                open my $handle ,'>',$self->{output}->{$key}->{name} or croak "could
                not open output handle";
                print $handle $input;
                close $handle;
            }
            
            # when ...
        }
    }
             

##</code><code>##


  foreach my $key ( @keys ) {

    if ( ! defined ( $self->{'output'}->{$key}->{'fh'} )
         && $self->{'output'}->{$key}->{'type'} ne 'named_pipe' ) {
      croak "undefined fh for key $key\n";
    }

    given ( $self->{'output'}->{$key}->{'type'} ) {

      when ('named_pipe') {
        open my $handle, '>', $self->{'output'}->{$key}->{'name'}
          or croak "open failed: $!";
        
        print $handle $input;
        close $handle or croak "close failed: $!";
      }

    }

  }


##</code><code>##


  foreach my $key ( @keys ) {

    my $foo = $self->{'output'}->{$key};

    if ( ! defined $foo->{'fh'} and $foo->{'type'} ne 'named_pipe' ) {
      croak "undefined fh for key $key\n";
    }

    given ( $foo->{'type'} ) {

      when ('named_pipe') {
        open my $handle, '>', $foo->{'name'} or croak "open failed: $!";
        print $handle $input;
        close $handle or croak "close failed: $!";
      }

    }

  }