[gambit-list] Error when loading/running

Jeff Read bitwize at gmail.com
Mon Oct 31 11:51:16 EDT 2011


You have a single quote floating out there with nothing after it.

You probably should also define hrs1 and hrs2 to something, and not rely on
`set!' to return a value.
On Oct 31, 2011 11:45 AM, "Steve Graham" <jsgrahamus at yahoo.com> wrote:

> Newbie here.  I'm trying to run a scheme program from gsi and getting an
> error I don't understand:
>
> C:\gambit\gambitv4.6.2\v4.6.2\bin>type timecalc.sch
> (define hrs1)
> (define hrs2)
> (display "Hrs 1: ") (set! hrs1 (read))
> (display "\nHrs 2: ") (set! hrs2 (read))
>
> (print "\n\n" (+ hrs1 hrs2) " hours --> $" (* (+ hrs1 hrs2) 22))'
>
> C:\gambit\gambitv4.6.2\v4.6.2\bin>gsi -:d0 timecalc.sch
>
> C:\gambit\gambitv4.6.2\v4.6.2\bin>gsi timecalc.sch
> *** ERROR IN "timecalc.sch"@7.1 -- Datum expected
>
> C:\gambit\gambitv4.6.2\v4.6.2\bin>gsi
> Gambit v4.6.2
>
> > (load "timecalc.sch")
> *** ERROR IN "timecalc.sch"@7.1 -- Datum expected
> 1>
>
> Any tips?
>
> TIA, Steve
>
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