(unwatch all) (clear) (dribble-on "Actual//classerr.out") (batch "classerr.bat") (dribble-off) (clear) (open "Results//classerr.rsl" classerr "w") (load "compline.clp") (printout classerr "classerr.bat differences are as follows:" crlf) (compare-files "Expected//classerr.out" "Actual//classerr.out" classerr) (close classerr)