The CDF_OPEN function opens an existing Common Data Format file. If successful, the CDF ID for the file is returned.

Calling Sequence

Result = CDF_OPEN( Filename )



A scalar string containing the name of the file to be created. Note that if the desired filename has a .cdf ending, you can omit the extension and specify just the first part of the filename. For example, specifying "mydata" would open the file mydata.cdf .


id = CDF_OPEN('open_close.cdf') ; Open a file.

... ; Other CDF_ commands.

CDF_CLOSE, id ; Close the cdf file.