[ncl-talk] Merge data in ncl

[Dennis Shea]

Both CDO and NCO can easily merge (concatenate) the files. Still neither is
NCL as requested by the user.

"I want to merge them into a single file *using ncl only*"

In my opinion, if you are processing with NCL there is no need to
concatenate (merge) the files.

fils = *systemfunc*
<https://www.ncl.ucar.edu/Document/Functions/Built-in/systemfunc.shtml>
("ls TRMM_3B42_2013*.nc") ; file paths
print(fils)

f  = *addfiles*
<https://www.ncl.ucar.edu/Document/Functions/Built-in/addfiles.shtml>
(fils, "r")
x = f*[:]*->variable_name

*printVarSummary*(x)
*printMinMax(*x, 0)
===

You could create a netCDF using NCL's  *write_netcdf*
<https://www.ncl.ucar.edu/Applications/write_netcdf.shtml> guide:


On Wed, Feb 20, 2019 at 4:49 AM Appo derbetini <appopson4 at gmail.com> wrote:

> Hi,
>
> You can proceed with  CDO
>
> cdo    mergetime  TRMM_3B42_20130611.nc    output.nc
>
> or  NCO
>
> ncrcat       TRMM_3B42_20130611.nc     output.nc
>
>
> Le mer. 20 févr. 2019 à 11:15, Soma Roy <somaroy892 at gmail.com> a écrit :
>
>> Hello,
>> I have several netcdf files containing daily data. I want to merge them
>> into a single file using ncl only.
>> Please kindly inform me about the above.
>>
>> Files are like;
>> TRMM_3B42_20130611.nc
>> TRMM_3B42_20130612.nc
>> TRMM_3B42_20130613.nc
>> and so on..
>>
>> Thanking you,
>> Soma
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