Hi there all. I have a wee problem with "looping". If I write the following:
(defrule general_info
?e <- (enquiry (info_known "N"))
=>
(printout t crlf crlf "There are lots of different types of HIV
information." crlf
"As you're not sure what type you're looking for," crlf
"I'll give you some options to choose from." crlf crlf
"Would you like to know what HIV and AIDS are and how they affect the
body?" crlf
"(Y or N): ")
(bind ?G1 (readline))
(modify ?e(G1 ?G1))
)
The user will be continually prompted with the question "Would you like
.....". If I set the value of ?e(info_known) to "done" as follows:
(modify ?e(G1 ?G1) (info_known "done"))
it prevents this problem. Is this the correct way to do this? Or should I be
retracting a fact or something?
Many thanks. Debbie Lampon
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