Not being familiar with FCP, I'm not entirely certain what you're driving at, but you can have Premiere automatically "remove unused" files from the bin. To do that, select "Project > Remove Unused." It will automatically remove any items from your bin that are not used in a timeline. From there, it should be easier for you to go in and organize your bin as you like.
Hey David, I'm sorry, I typed the wrong example in AE. In After Effects, there's an option to "Consolidate All Files." From the AE manual:
To remove all duplicate footage items from a project, Choose File > Consolidate All Footage. After Effects considers footage items to be duplicates only if they use the same Interpret Footage settings.
When a duplicate item is removed, layers that refer to the duplicate item are updated to refer to the remaining copy
I'm looking for this in Premiere, without having to copy all the source in the Project Manager.
Gotcha… I’m not aware of a way to do that in Premiere, but since I’ve never
needed to, I may well have missed something… Todd Kopriva could say for
Feature request away!
I've long-wanted to see the "consolidate all footage" option in Premiere as well. Send more feature requests!