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Data(3) 		       User Contributed Perl Documentation			  Data(3)

       Gimp::Data - Set and get state data.

	 use Gimp::Data;

	 $Gimp::Data{'value1'} = "Hello";
	 print $Gimp::Data{'value1'},", World!!\n";

       With this module, you can access plugin-specific (or global) data in Gimp, i.e. you can
       store and retrieve values that are stored in the main Gimp application.

       An example would be to save parameter values in Gimp, so that on subsequent invocations of
       your plug-in, the user does not have to set all parameter values again (Gimp::Fu does this

       You can store and retrieve anything you like in this hash. It's contents will automati-
       cally be stored in Gimp, and can be accessed in later invocations of your plug-in. Be
       aware that other plug-ins store data in the same "hash", so better prefix your key with
       something unique, like your plug-in's name. As an example, the Gimp::Fu module uses "func-
       tion_name/_fu_data" to store its data.

       This module might use a persistant implementation, i.e. your data might survive a restart
       of the Gimp application, but you cannot count on this.

       "Gimp::Data" will try to freeze your data when you pass in a reference. On retrieval, the
       data is thawed again. See Storable for more info. This might be implemented through either
       Storable or Data::Dumper, or not implemented at all (i.e. silently fail) ;)

       "Gimp::Data" contains the following functions to ease applications where persistence for
       perl data structures is required:

	   Freeze (serialize) the reference.

	   Thaw (unserialize) the dsata and return the original reference.

       You cannot store references, and you cannot (yet) iterate through the keys (with "keys",
       "values" or "each").

       Marc Lehmann <pcg@goof.com>

       perl(1), Gimp.

perl v5.8.0				    2001-12-06					  Data(3)
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