specifies a character
constant, variable, or expression.
Restriction
The value of the specified expression cannot denote an
array reference.
Details
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.
Comparisons
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 SAS Functions and CALL Routines by Category.
Example
The following SAS statements
produce these results.
SAS Statement
Result
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=;