there is one:

  fbgrab screenshot.png

On 12/13/2010 04:07 PM, David Kuehling wrote:
> Hi,
> 
> I didn't find any existing solution to easily take screenshots without
> special software installed on the NanoNote, so here's what I'm using:
> 
>  $ ssh r...@nanonote cat /dev/fb0 | nn-fbtopng > screenshot.png
> 
> Thee script 'nn-fbtopng' converts the framebuffer data-dump to a PNG
> using the netpbm utilities.  Grab the script from:
> 
>  http://mosquito.dyndns.tv/freesvn/trunk/dkbin/nn-fbtopng
> 
> That's a Tcl script, need to have tclsh in /usr/bin (most people will
> have it).
> 
> David
> 
> 
> 
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