Update to close the thread:

I've decided to go with the suggestion of giving the file a unique identifier and storing the details in a file on the server. This will provide the added opportunity for tracking how people are using the system, so, two birds with one stone makes it worth it.

Thanks for the replies and the code - will put that in my back pocket.

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In reply to Re: URL string compression? by punch_card_don
in thread URL string compression? by punch_card_don

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