Rails - Jan 2006 - Cache Sweepers and runner scripts that act on models?

I created a script that I call by ''./script/runner -e production 
UpdateItems.get_new_items()'', which basically calls the model Item:

Item.create(attributes...)

I''ve set up a cache sweeper which removes caches after each 
create/destroy/update on Item, and it works fine when accessing 
controllers via the web server, but apparently doesn''t work via runner.
Controllers have a ''cache_sweeper'' class method, but
ActiveRecords don''t
(though they do have observer and filter methods, which is what sweepers 
are a combination of). How can I get the cache sweeper to do its job 
when adding items via a runner script? Am I supposed to call controller 
methods instead? And if so, how? (I tried, but got a ''uninitialized 
constant ApplicationController'' error.)

thanks for any help!
csn

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