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numrecs = cdflib.getVarNumRecsWritten(cdfId,varNum)
numrecs = cdflib.getVarNumRecsWritten(cdfId,varNum) returns the total number of records written to a variable in a Common Data Format (CDF) file.
cdfId identifies the CDF file. varNum is a numeric value that identifies the variable. Variable numbers are zero-based.
Open the example CDF, and then determine the number of records written to a variable:
cdfid = cdflib.open('example.cdf');
% Determine the number of records written to the variable.
numRecs = cdflib.getVarNumRecsWritten(cdfid,0)
numRecs =
24
% Clean up
cdflib.close(cdfid)
clear cdfid
This function corresponds to the CDF library C API routine CDFgetzVarNumRecsWritten. 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.

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