cdflib.getNumgAttributes

Number of attributes with global scope

Syntax

ngatts = cdflib.getNumgAttributes(cdfId)


Description

ngatts = cdflib.getNumgAttributes(cdfId) returns the total number of global attributes in a Common Data Format (CDF) file. cdfId identifies the CDF file.

Examples

Open the example CDF and find out how many global attributes are in the file:

cdfId = cdflib.open("example.cdf");

% Determine the number of global attributes in the file
numgAttrs = cdflib.getNumgAttributes(cdfId)

numgAttrs =

     3

% Clean up
cdflib.close(cdfId)
clear cdfId

Tips

• This function corresponds to the CDF library C API routine CDFgetNumgAttributes.

• To use this function, you must be familiar with the CDF C interface. You can access the CDF documentation at the CDF website.