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Is there a TCL function like Getch ?

Is there a TCL function like Getch ?

(OP)
I have a TCL script in which I would like to set up some pauses
that are resumed by a key pressed by the user on a keyboard
(space bar or whatever) much like the Getch command in C.

Is there a way to do this in TCL and if so, how?

Thanks

RE: Is there a TCL function like Getch ?

Can you open a window (sub window / top level?) that has a generic "OK" button and that button is given focus so that all the user has to do is hit return?

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