Hi Bruno,

> I'm writing a script that shows a person a math expression (like "2 + 3")
> waits for an answer, then returns if its right or wrong.
> What I want though, is for it to wait something like 3 seconds and, if
> there is no input, assume the user doesn't know and return "WRONG".

The easiest is if you just wait for the next key stroke:

   (key 3000)

this returns the key if one was pressed, otherwise NIL.


To wait for a full line of input, you could use 'abort':

   (abort 3 (line T))

This also returns the line, or NIL if timed out.

♪♫ Alex

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