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Harris Geospatial / Docs Center / IDL Reference / I/O - HDF / HDF_VD_FEXIST

HDF_VD_FEXIST

HDF_VD_FEXIST

The HDF_VD_FEXIST function determines whether the specified fields exist in the given HDF file.

Syntax


Result = HDF_VD_FEXIST(VData, Fieldnames)

Return Value


Returns 1 (True) if all the specified fields exist.

Arguments


VData

The VData handle returned by a previous call to HDF_VD_ATTACH.

Fieldnames

A string containing a comma-separated list of fields to test. For example, 'VEL' or 'PZ,PY,PX'.

Keywords


None

Version History


4.0

Introduced



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