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Used to conditionally execute a block of statements when some expression evaluates to true and another block of statements when the expressions are false.

Syntax

    if expression then
        { statement }...
    [ elseif expression then
        { statement }... ]...
    else
        { statement }...
    end

Notes

    expression    the expression to evaluate.
    statement     any statements to process.

Example

    if quantity > 0 then
        unitCost = totalAmount / quantity
        print( "Unit Cost: " + unitCost )
    elseif quantity = 0 then
        print( "0 items ordered" )
    else
        print( quantity + " is not a valid quantity" )
    end
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Last Modified: Wed Apr 15 00:16:38 EDT 1998