filevardimsizes

Returns the dimension sizes of a file variable.

Synopsis

	function filevardimsizes(
		thefile [1] : file,
		varname [1] : string
	)

Arguments

thefile: reference to a file
varname: string name of variable whose dimension sizes are desired

Description

This function works just like dimsizes but for file variables. This function should be used rather that dimsizes when the variable is in a file. dimsizes is very inefficient to use on file variables because it reads the entire variable in. Therefore, filevardimsizes should be used exclusively when querying the dimensionality of variables in files.

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$Revision: 1.4 $ $Date: 1998/06/15 21:29:24 $