if you persist with ...using files and "while" as a queqe at its simplest, then you won't be able to do ...someone of those at same time, - especially on Windoze.

Why? In particular, why - especially on Windoze?

Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.
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In reply to Re^2: Execute by order by BrowserUk
in thread Execute by order by way

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