flex Expert System Toolkit - LPIS

7. Knowledge Specification Language 102
flex toolkit
the question is being asked, or perhaps to give some help on answering the
question.
For example:
Keyboard Input
question choose_a_colour
Select a colour ;
choose one of colours ;
because This colour will be used for text display.
Users may be asked to enter information from the keyboard using the KSL
keyword input. The type of the data expected may then be specified, as
either name, number, integer or set.
The general formats of a keyboard input question are as follows.
question question_name
text of question ;
input datatype ;
because explanation .
question question_name
text of question ;
input variable
such that condition(s) ;
because explanation .
As before, the because part is optional. The datatype may be
name
number
integer
set
Examples
question get_country
Which country do you live in? ;
input name .
question number_of_children
How many children do you have ? ;
input integer .
question room_width
What is the width of the room (in metres)? ;
input number .
question child_names
Please enter your children’s names ;
input set .
The input keyword may also be followed by some conditions which define