[Catalyst] How to pass args/data from one controller to another?

[Andrew Rodland]

On Friday 28 September 2007 09:43:27 pm Dustin Suchter wrote:
> Controller "Library" has a function "list_books" that, duh, displays
> a list of books in the lib. Each book is clickable creating an
> action in another function in Libarary called "read_book" that's
> only job in life as a function is to pass the $book_id over to the
> default action in the "ReadABook" controller. How do you pass the
> $book_id? Through the stash, though a path arg using 'uri_for' and a
> redirect, using forward?

I think we've been missing something in this entire conversation, namely: 
what's the point? Why have an action that does nothing besides defer or 
redirect or whatever to another action? Why does the first one need to exist 
in the first place?

Andrew