Choose a branch matching an expression.
SELECT CASE expr SELECT expr CASE value [, value…] CASE IS relop expr CASE ELSE END SELECT
expr - value to match value - literal or range low TO high (inclusive) relop - =, <>, <, >, <=, >=
SELECT CASE is the usual spelling; SELECT expr is accepted too. See also IF.
Example:
N = 2
SELECT CASE N
CASE 1
PRINT "ONE"
CASE 2 TO 4
PRINT "TWO"
CASE IS > 10
PRINT "BIG"
CASE ELSE
PRINT "OTHER"
END SELECT
Source: docs/help/select-case.txt inmmcore. On the computer, typeHELP SELECT.