For Windows, there is this:

http://www.jsoftware.com/jwiki/Guides/Windows%20Progress%20Dialog

or the WD object progressbar:

http://www.jsoftware.com/help/user/wd_commands.htm

You can see the WD progress bar in action in the "controls" demo on the bottom 
of the "selects" tab.
--
David Mitchell

Matthew Brand wrote:
> Is there a library of "widgets" or does anybody have any code that can
> display some kind of progress bar.
> E.g.
> 
> init_progressBar_ 10 NB. there will be 10 steps to 100% completion
> 
> for_i i.10 do.
>   NB. do calculation step here...
>   update_progressBar_ i NB. alter progress bar to position i
> end.
> 
> end_progressBar_ '' NB. stop displaying the progress bar.
> 
> Just thought I would ask if this already exists before trying to write
> something to do it.
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> 
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