On Thu, 31 Oct 1996, CarlWKemp answered my question:

>
>  How can I time out a simple line mode read, and substitute a default
>  answer instead of the missing answer?
> is a timeout) a timeout may blow up your program (I have never tried it,

I have already written programs with trapping of input errors like letters
instead of a number using XLIBTRAP. Do you mean I should apply this
technique?

>
> Hope this clears up everything for you.

I write this letter on the fly before triying FCONTROL on the HP.

> If not, let me know,
> and I will send you a code sample that generates a timed read.
>

I code sample would save my time.

                                        Regards
                                              Frank

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There are 3 kinds of programming errors:  syntactical, semantical and mystical.
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