What is the best way to de duplicate your pictures

I have iPhoto and Apature and they have almost the exact same file size so I am guessing that all of the images are duplicated in both directories.  I am going to be doing a back up prior to upgrading to aperture 3.3, but would like to consolidate as much as possible prior to backing up.  Any advice is appreciated and if I am off base with my strategy let me know.

You'll have to explain a bit more what your current set-up is.  iPhoto and Aperture are databases.  For each, the database file is called a Library.  With the newest versions of each program, the file format of the Library is the same: you can open a "library-format" file in either iPhoto or Aperture.
Each Library is a catalogue and may or may not contain your "Originals".  This depends on how you imported your Originals, and whether you have moved them.
There is no conclusion that can be safely deduced from the comparative size or two Libraries.
What Libraries do you currently have?
What do they contain?
Is there any overlap?
If there is overlap, how were the Images that are common to both Libraries imported?
What is you goal?  Are you trying to end up with one Library?

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    Another possibility that i tried was to basically duplicate the vi so that there was a backend part, and a front end part - and when i click 'go' the backend part is called as a sub vi.  The problem with this is that it really limits the interface that the user gets - since none of the controls on the front panel update with the results untill the sub vi is over.  I guess again i could solve this by passing references to some of the controls to update them in the subvi - but this doesn't really seem like the ideal situation if the subvi is called by something else without the same types of controls etc.
    One final idea i had was to essentially paste all the controls in the VI into a global variable file, and make the sub vi update them, and the front panel VI read from them.  This seems to 'work' - although clearly it is a work around rather than a proper solution - since i spend loads of time worrying about how i update cluster variables in the global - reading and writing.
    Does anyone have any guidance on what they do to solve this problem?
    JP

    You could run a subvis in a Subpanel on your top level.  Lets you see the current data while the subvi is running.
    --Using LV8.2, 8.6, 2009, 2012--

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