QBasic 1.1: CASE Keyword

Syntax

SELECT CASE testexpression
CASE expressionlist1
 [statementblock-1]
CASE expressionlist2
 [statementblock-2]...
CASE ELSE
 [statementblock-n]

Description / Parameter(s)

testexpression Any numeric or string expression.
expressionlist1 One or more expressions to match testexpression.
expressionlist2 The IS keyword must precede any relational operators in an expression.
statementblock-1
statementblock-2
statementblock-n
One or more statements on one or more lines.
The expressionlist arguments can have any of these forms or a combination of them, separated by commas:
expression[,expression]...
expression TO expression
IS relational-operator expression
expression Any numeric or string expression compatible with testexpression.
relational-operator One of the following relational operators: <, <=, >, >=, <>, or =.

Example

INPUT "Enter acceptable level of risk (1-5): ", Total SELECT CASE Total CASE IS >= 5 PRINT "Maximum risk and potential return." PRINT "Choose stock investment plan." CASE 2 TO 4 PRINT "Moderate to high risk and potential return." PRINT "Choose mutual fund or corporate bonds." CASE 1 PRINT "No risk, low return." PRINT "Choose IRA." END SELECT