John,
The word unknown is not really good to use a progress bar. Ever if you don't know it, you have to get the total number just before using any progress bar, otherwise you can't say what is the max value and the current value to update it.
The progress bar is here to say how much time you can take for your coffee, uh ? [Big Grin]

Alex

Sorry if i seems to be cold, it wasn't in this meaning
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