[R] Single character input without Enter

Dieter Menne dieter.menne at menne-biomed.de
Thu Feb 25 19:29:04 CET 2010

Greg Snow-2 wrote:
> The playSudoku function in the sudoku package has 2 examples/methods of
> responding to single key strokes, whether those methods will work for your
> application or not depends on what you are trying to do.

Thanks, Greg, it boils down to the rather basic

getGraphicsEvent(prompt = "Waiting for input", 
                 onMouseDown = NULL, onMouseMove = NULL,
                 onMouseUp = NULL, onKeybd = NULL)

in grDevices; so no tclk needed.  Strange that nobody told me....


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