isatt

This function is used to check if variable attributes are defined in a variables before accessing them.

Synopsis

	function isatt( 
		var,
		attnames:string
	)

Arguments

var: var must be a variable or variable subsection of any type or dimension.
attnames: attnames must be an array of strings but can have any dimension.

Description

For each element in the attnames parameter, isatt returns True if the element is an attribute of the variable and False if not. The output of isatt is a logical array with the same dimensions as the attnames parameter. If the parameter var is not a variable, then a single missing value is returned.

Reference Manual Control Panel

NG4.1 Home, Index, Examples, Glossary, Feedback, Ref Contents, Ref WhereAmI?

$Revision: 1.5 $ $Date: 1998/06/15 21:29:46 $