I haven't look at how it is doing it, but the open source Gallery project does what you want while uploading, cataloging, sizing, and generating thumbnails of pictures. It uses PHP and not Perl, but I'm sure once you figure out the HTTP mechanics you could apply them.

In reply to Re: Interim Page Delivery While Uploading Files by THuG
in thread Interim Page Delivery While Uploading Files by Anonymous Monk

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