Having Tk under consideration, this is very widget-dependent

For example, Tk::Text widget has method dump which may help you with your task.

I think you probably should use Storable and Data::Dumper to save your variables.

Courage, the Cowardly Dog

In reply to Re: Reloading calculated data into TK widgets by Courage
in thread Reloading calculated data into TK widgets by Anonymous Monk

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