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grib_copy examples

  1. To copy only the pressure levels from a file 

    >  grib_copy -w levtype=pl ../data/tigge_pf_ecmwf.grib2 out.grib


  2. To copy only the fields that are not on pressure levels from a file 

    >  grib_copy -w levtype!=pl ../data/tigge_pf_ecmwf.grib2 out.grib


  3. A grib_file with multi field messages can be converted in single field messages with a simple grib_copy. 

    >  grib_copy multi.grib simple.grib


  4. Use the square brackets to insert the value of a key in the name of the output file. 

    >  grib_copy in.grib out_[shortName].grib


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