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ideal: netcdf format of I/O for different version

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Dear all,

How to set the format of I/O file in WRF to "64-bit offset"?
It seems that different version of WRF returns different format.

$ ./ideal.exe
$ ncdump -k wrfinput_d01

It returns "64-bit offset" for version for V4.1.5
and "classic" for V3.8.1.

How to set it explicitly to "64-bit offset"?

Here are the module I am using,

module load intel/19.0.3
module load mvapich2/2.3.2
module load netcdf/
export NETCDF=/share/apps/netcdf/

Best regards,