.. highlightlang:: us

.. _nc_varcopy:

nc_varcopy
==========

.. index:: nc_varcopy

.. us.tag  nc_varcopy ENGLISH NC_Var New400

:ref:`nc_varcopy` copies the data of a variable from one NC file to another NC file.
The variable must exist in both files and must have the same number of points. 

.. function::  err = nc_varcopy(ncid_in, varid, ncid_out)

.. us.return

**Return Value**

*err*

.. us.params

**Parameters**

.. uparam:: ncid_in

   Identifies a netCDF file.

.. uparam:: varid

   *varid* is the ID of a variable. 

.. uparam:: ncid_out

   Identifies a netCDF file.

.. seealso::
   :ref:`overview-netcdf-files`,
   :ref:`nc_create`

:sub:`id-490777`