Rails - Apr 2008 - How to pass a value from one action to another?

Dear group,

What are the most elegant ways in Rails to pass the VARIABLE''s value:
- from action A
- to action B?

Until now, I''ve been doing this like this (but I''m sure there
are other
ways):

1. In action A: redirect_to :action => ''B'', :id =>
VARIABLE
2. In action B: variable = params[:id]

OR:

1. In action A: display a form (form_for :myForm") with a hidden field +
pass the hidden field a value
2. In action B: value = params[:myForm][:myHiddenField]

What are the most elegant for passing values in the most direct way?
Is it possible to easily pass values that are not visible to the user?

Thanks a lot!
Tom
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Sorry, me stupid...

-> You pass the value to the session and retrieve it from the session as 
soon as needed...

In case there''s something even better, you''re still welcome!
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