Dataq DI-159, Руководство пользователя

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DI-159 PLC Hardware Manual StickOS
Conditional Statements
Non-looping conditional statements are of the form:
if
expression
then
statements
elseif
expression
then
statements
else
statements
endif
Where statements is one or more program statements and the elseif and else clauses (and their
corresponding statements) are optional.
Alternately, the string form of this statement is:
if string relation string then
statements
elseif string relation string then
statements
else
statements
endif
Examples
> 10 dim a
>
20 for a = -4 to 4
> 30 if !a then
>
40 print a, "is zero"
> 50 elseif a%2 then
>
60 print a, "is odd"
> 70 else
>
80 print a, "is even"
> 90 endif
>
100 next
> run
-4 is even
-3 is odd
-2 is even
-1 is odd
0 is zero
1 is odd
2 is even
3 is odd
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