ecCodes is the package used by ECMWF for defining its the rules used in the Grib Files used and also contains the tools to interrogate and manipulate grib files
ecCodes is available to install from the dedicated confluence space : ecCodes
Tools in ecCodes
grib_copy
Copies the content of GRIB files printing values of some keys. If the name of the output_grib_file contains a key enclosed in square brackets, its value will be used.
Here you can see the file eue.dis.pf.grib is being copied with the perturbationNumber key used to split
| Code Block |
|---|
grib_copy eue.dis.pf.grib eue.dis.pf[perturbationNumber].grib
l
total 7267664
-rw-r----- 1 emos ma 3720865800 Feb 22 09:22 eue.dis.pf.grib
-rw-r----- 1 emos ma 74417316 Feb 22 09:23 eue.dis.pf1.grib
-rw-r----- 1 emos ma 74417316 Feb 22 09:23 eue.dis.pf10.grib
-rw-r----- 1 emos ma 74417316 Feb 22 09:23 eue.dis.pf11.grib
|
grib_ls
List content of GRIB files printing values of some keys. It does not fail when a key is not found.
grib_ls -P inputProcessIdentifier will show the generating process for this grib. 153 being the version of IFS, 19 being the version of EFAS.
| Code Block |
|---|
grib_ls -P inputProcessIdentifier eue.pf.sdc.grib
eue.pf.sdc.grib
inputProcessIdentifier edition centre date dataType gridType stepRange typeOfLevel level shortName packingType
15319 2 ecmf 20220222 pf lambert_azimuthal_equal_area 0 soilLayer 2 sod grid_simple
15319 2 ecmf 20220222 pf lambert_azimuthal_equal_area 0 soilLayer 2 sod grid_simple
15319 2 ecmf 20220222 pf lambert_azimuthal_equal_area 0 soilLayer 2 sod grid_simple
15319 2 ecmf 20220222 pf lambert_azimuthal_equal_area 0 soilLayer 2 sod grid_simple
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