VARRAY Function

Returns a value that indicates whether the specified name is an array.

Category: Variable Information
Restriction: Use only with the DATA step

Syntax

VARRAY (name)

Required Argument

name

specifies a name that is expressed as a scalar or as an array reference.

Restriction You cannot use an expression as an argument.

Details

VARRAY returns 1 if the given name is an array; it returns 0 if the given name is not an array.

Comparisons

  • VARRAY returns a value that indicates whether the specified name is an array. VARRAYX returns a value that indicates whether the value of the specified expression is 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;
a=varray(x);
B=varray(x1);
put a=;
put B=;
a=1
B=0

See Also

Functions:
Variable Information functions in SAS Functions and CALL Routines by Category