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export GRIB_SAMPLES_PATH=...
to match give the location of the file'grib1_mlgrib2' in your grib_api installation. , in the directory 'ifs_samples'. For example, if you followed the walk-through on the grib_api install page for the gnu compilers this would be:
export GRIB_SAMPLES_PATH=$HOME/ecmwf/grib_api_gcc/share/grib_api/ifs_samples/grib1_mlgrib2
c) Copy the namelists and run the model with a single task and single thread by executing the job script:
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