Thank you Bob. Just another RTFM problem. Sorry.
NicolasF
----- Original Message -----
From: Robert Kirby
To: [email protected]
Sent: Monday, May 21, 2007 12:33 PM
Subject: Re: JESS: Custom printout function
From < http://herzberg.ca.sandia.gov/jess/docs/70/deffunctions.html>:
"Normally a deffunction takes a specific number of arguments. To write a
deffunction that takes an arbitrary number of arguments, make the last
formal parameter be a multifield -- a variable prefixed with a '$'
character. When the deffunction is called, the multifield variable will
contain all the remaining arguments passed to the function, as a list. A
deffunction can accept no more than one such wildcard argument, and it must
be the last argument to the function."
Bob Kirby
At 08:29 AM 5/21/2007, NicolasF wrote:
Hello everybody,
I want to implement a custom printout function which looks like this:
(deffunction printOut (?message)
(printout t ?message) ;; Default router
(printout file ?message) ;; My custom router
)
"file" is a custom router which is printing the ?message variable in a text
file. The ?message can contain many expressions, e.g.:
(printOut "value of x is " ?x crlf "value of y is " ?y crlf)
Unfortunately only the first expression in the message is printed out. So in
the previous example, the print out would be:
"value of x is "
Instead of:
"value of x is 0"
"value of y is 1"
I tried to concatenate the message's expressions with (str-cat
<expression>*) but now the crlf are missing. So the output looks like this:
"value of x is 0 crlfvalue of y is 1crlf"
What is the simplest solution to my problem? Do I have to parse each
expression in the ?message variable?
Best regards,
NicolasF
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