grib_copy

DESCRIPTION

Copies the content of grib files printing values of some keys.

USAGE

grib_copy [options] grib_file grib_file ... output_grib_file

OPTIONS

-f
Force. Force the execution not to fail on error.

-r
Repack data. Sometimes after setting some keys involving properties of the packing algorithm a repacking of data is needed. This repacking is performed setting this -r option.

-p key[:{s/d/l}],key[:{s/d/l}],...
Declaration of keys to print. For each key a string (key:s) or a double (key:d) or a long (key:l) type can be requested. Default type is string.

-P key[:{s/d/l}],key[:{s/d/l}],...
As -p adding the declared keys to the default list.

-w key[:{s/d/l}]=value,key[:{s/d/l}]=value,...
Where clause. Only grib messages matching the key/value constraints are copied to the output_grib_file. For each key a string (key:s) or a double (key:d) or a long (key:l) type can be defined. Default type is string.

-B order by directive
Order by. The output will be ordered according the order by directive. Order by example: "step asc, centre desc" (step ascending and centre discending)

-V
Version.

-W width
Minimum width of each column in output. Default is 10.

-M
Multi-grib support off. Turn off support for multiple fields in single grib message

-g
Copy GTS header.

-G
GRIBEX compatibility mode.

-7
Does not fail when the message has wrong length

-v
Verbose.

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
    


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