Functions and CALL Routines |
Returns a value that indicates whether the value of the specified
argument is an array.
Category: |
Variable Information
|
-
expression
-
specifies a character constant, variable,
or expression.
Restriction: |
The value of the
specified expression cannot denote an array reference. |
VARRAYX returns 1 if the value of the
given argument is the name of an array; it returns 0 if the value of the given
argument is not the name of an array.
-
VARRAY returns a value that indicates whether
the specified name is the name of an array. VARRAYX returns a value that
indicates whether the value of the specified expression is the name of an
array.
-
VARRAY does not accept an expression as an argument.
VARRAYX accepts expressions, but the value of the specified variable cannot
denote an array reference.
-
Related functions return the value of other variable
attributes, such as the variable name, informat, format, among others. For
a list, see the "Variable Information" functions in Functions and CALL Routines by Category
.
SAS Statements |
Results |
array x(3) x1-x3;
array vx(4) $6 vx1 vx2 vx3 vx4
('x' 'x1' 'x2' 'x3');
y=varrayx(vx(1));
z=varrayx(vx(2));
put y=;
put z=;
|
y=1
z=0
|
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