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Interesting question.

I've seen one example, well kind of.

Indigoperl comes with a web-based package managment tool. Anyway, while you're downloading a new package in a forked process, the browser is being refreshed every 3 to 5 seconds, and is displaying a file that is constantly being updated with the progress, until the program is done writing to that temporary file, ie the package has been downloaded.

As for a file upload in increments, i guess it's possible, if you can figure out a way to read the file via cgi incrementally, and figure out where you left off.

I really don't see this as being beneficial to the user at all. It would take more time to upload that image (via cgi only), because the client would be sending the entire image from the start, not having any way of knowing where your script left off, aside from bytecount.

It sounds very much like you're trying to develop a server-side type of resumable upload(like resumable-download), but this would still require some type of program, asides from a browser, on the client side.

 
"Disclaimer: Don't blame, it came from inside the void"
#--------------------------------------------- crazyinsomniac


In reply to (crazyinsomniac) Re: File upload progress? by crazyinsomniac
in thread File upload progress? by batmonk

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