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cdflib.getAttrMaxgEntry

Number of last entry for global attribute

Syntax

maxEntry = cdflib.getAttrMaxgEntry(cdfId,attrNum)

Description

maxEntry = cdflib.getAttrMaxgEntry(cdfId,attrNum) returns the last entry number of a global attribute in a Common Data Format (CDF) file.

Input Arguments

cdfId

Identifier of a CDF file, returned by a call to cdflib.create or cdflib.open.

attrNum

Numeric value that identifies the attribute. Attribute numbers are zero-based. The attribute must have global scope.

Output Arguments

maxEntry

Entry number of the last entry in the attribute. Entry numbers are zero-based.

Examples

Open the example CDF and get the number of the last entry associated with a global attribute in the file:

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

% All of the first three attribute are of global scope
attrscope = cdflib.getAttrScope(cdfId,0)
attrscope =

    'GLOBAL_SCOPE'
% Get the number of the last entry for this attribute
entrynum = cdflib.getAttrMaxgEntry(cdfId,0)
entrynum =

     4
% Clean up
cdflib.close(cdfId)
clear cdfId

Tips

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

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

See Also

Topics