The HDF_VD_FEXIST function determines whether the specified fields exist in the given HDF file.
Result = HDF_VD_FEXIST(VData, Fieldnames)
Returns 1 (True) if all the specified fields exist.
The VData handle returned by a previous call to HDF_VD_ATTACH.
A string containing a comma-separated list of fields to test. For example, 'VEL' or 'PZ,PY,PX'.
None.
Introduced: 4.0