Dominique Dumont > Config-Model-Dpkg > Config::Model::Backend::Dpkg

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NAME ^

Config::Model::Backend::Dpkg - Read and write config as plain file

SYNOPSIS ^

 use Config::Model;
 use Log::Log4perl qw(:easy);
 Log::Log4perl->easy_init($WARN);

 my $model = Config::Model->new;

 my $inst = $model->create_config_class(
    name => "WithDpkg",
    element => [ 
        [qw/source new/] => { qw/type leaf value_type uniline/ },
    ],
    read_config  => [ 
        { 
            backend => 'plain_file', 
            config_dir => '/tmp',
        },
    ],
 );
 
 my $inst = $model->instance(root_class_name => 'WithDpkg' );
 my $root = $inst->config_root ;

 $root->load('source=foo new=yes' );

 $inst->write_back ;

Now /tmp directory will contain 2 files: source and new with foo and yes inside.

DESCRIPTION ^

This module is used directly by Config::Model to read or write the content of a configuration tree written in several files. Each element of the node is written in a plain file.

This module supports currently only leaf and list elements. In the case of list element, each line of the file is a value of the list.

CONSTRUCTOR ^

new ( node => $node_obj, name => 'plain_file' ) ;

Inherited from Config::Model::Backend::Any. The constructor will be called by Config::Model::AutoRead.

read ( io_handle => ... )

Of all parameters passed to this read call-back, only io_handle is used. This parameter must be IO::File object already opened for read.

It can also be undef. In this case, read() will return 0.

When a file is read, read() will return 1.

write ( io_handle => ... )

Of all parameters passed to this write call-back, only io_handle is used. This parameter must be IO::File object already opened for write.

write() will return 1.

AUTHOR ^

Dominique Dumont, (ddumont at cpan dot org)

SEE ALSO ^

Config::Model, Config::Model::BackendMgr, Config::Model::Backend::Any,

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