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cdflib.getAttrNum - Attribute number, given attribute name

Syntax

attrNum = cdflib.getAttrNum(cdfId,attrName)

Description

attrNum = cdflib.getAttrNum(cdfId,attrName) returns the number of an 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.

attrName

Text string specifying the name of an attribute.

Output Arguments

attrNum

Numeric value that identifies the attribute. Attribute numbers are zero-based.

Examples

Open the example CDF and get the attribute number associated with the SampleAttribute attribute. 

cdfid = cdflib.open('example.cdf');

attrNum = cdflib.getAttrNum(cdfid,'SampleAttribute')

attrNum =

    0

% Clean up
cdflib.close(cdfid);

clear cdfid

References

This function corresponds to the CDF library C API routine CDFgetAttrNum. To use these functions, you must be familiar with the CDF C interface. Read the CDF documentation at the CDF Web site. For copyright information, see the cdfcopyright.txt file.

See Also

cdflib.createAttr | cdflib.getAttrName

Tutorials

  

 

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