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README.txt in Drupal-to-Drupal data migration 7.2 

Drupal-to-Drupal migration
==========================

This is a framework based on the Migrate API to ease building migrations
from one Drupal site to another. It is only supported at this time on Drupal 7
(i.e., Drupal 7 is the only destination). Besides addressing contemporary needs
to migrate to Drupal 7, it is intended to help serve as a proof-of-concept for
incorporating the migration approach into core as an upgrade path
(http://drupal.org/node/1052692).

migrate_d2d
===========

The core framework provided here is used by providing your own module, which
will register instances of the migrate_d2d classes (or derivations of them).
See migrate_d2d_example for one approach, where instances are registered when
the Drupal caches are cleared (note that registration updates previously-
registered classes with any argument changes).

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README.txt
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  1. Drupal-to-Drupal migration

  2. ==========================

  3. 

  4. This is a framework based on the Migrate API to ease building migrations

  5. from one Drupal site to another. It is only supported at this time on Drupal 7

  6. (i.e., Drupal 7 is the only destination). Besides addressing contemporary needs

  7. to migrate to Drupal 7, it is intended to help serve as a proof-of-concept for

  8. incorporating the migration approach into core as an upgrade path

  9. (http://drupal.org/node/1052692).

  10. 

  11. migrate_d2d

  12. ===========

  13. 

  14. The core framework provided here is used by providing your own module, which

  15. will register instances of the migrate_d2d classes (or derivations of them).

  16. See migrate_d2d_example for one approach, where instances are registered when

  17. the Drupal caches are cleared (note that registration updates previously-

  18. registered classes with any argument changes).