cdflib.deleteAttr
Delete attribute
Syntax
cdflib.deleteAttr(cdfId,attrNum)
Description
cdflib.deleteAttr(cdfId,attrNum)
deletes
the specified attribute from the CDF file.
cdfId
identifies the Common Data Format (CDF)
file.attrNum
is a numeric identifier that specifies
the attribute. Attribute numbers are zero-based.
Examples
Create a CDF file, and then create an attribute in the file. Then delete the attribute. To run this example, you must be in a writable folder.
cdfId = cdflib.create("your_file.cdf"); % Create attribute attrNum = cdflib.createAttr(cdfId,"Purpose","global_scope"); % Prove it exists attrNum = cdflib.getAttrNum(cdfId,"Purpose")
attrNum = 0
% Delete the attribute cdflib.deleteAttr(cdfId,attrNum) % Prove it no longer exists try attrNum = cdflib.getAttrNum(cdfId,"Purpose"); catch warning("No attribute named ""Purpose""") end
Warning: No attribute named "Purpose"
% Clean up cdflib.delete(cdfId) clear cdfId
Tips
This function corresponds to the CDF library C API routine
CDFdeleteAttr
.To use this function, you must be familiar with the CDF C interface. You can access the CDF documentation at the CDF website.