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/*
* (C) Copyright 2005- ECMWF.
*
* This software is licensed under the terms of the Apache Licence Version 2.0
* which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
*
* In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
* virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
*/
#include "eccodes.h"
#include <ctype.h>
static void usage(const char* prog)
{
printf("usage: %s in1.grib in2.grib\n", prog);
exit(1);
}
int main(int argc, char* argv[])
{
codes_handle *hfrom, *hto;
FILE* in;
char *in_name1, *in_name2;
int i = 0, err = 0;
const char* keys[] = { "gridType", "pl", "values" };
const int keys_count = sizeof(keys) / sizeof(keys[0]);
if (argc != 3) usage(argv[0]);
in_name1 = argv[1];
in_name2 = argv[2];
in = fopen(in_name1, "rb");
if (!in) {
perror(in_name1);
exit(1);
}
hfrom = codes_handle_new_from_file(0, in, PRODUCT_GRIB, &err);
CODES_CHECK(err, 0);
fclose(in);
in = fopen(in_name2, "rb");
if (!in) {
perror(in_name2);
exit(1);
}
hto = codes_handle_new_from_file(0, in, PRODUCT_GRIB, &err);
CODES_CHECK(err, 0);
fclose(in);
for (i = 0; i < keys_count; i++) {
printf("Copying key: %s\n", keys[i]);
err = codes_copy_key(hfrom, hto, keys[i], GRIB_TYPE_UNDEFINED);
CODES_CHECK(err, 0);
}
/* codes_write_message(hto, "temp.out", "w"); CODES_CHECK(err, 0); */
{
int dump_flags = GRIB_DUMP_FLAG_CODED | GRIB_DUMP_FLAG_OCTET | GRIB_DUMP_FLAG_VALUES | GRIB_DUMP_FLAG_READ_ONLY;
codes_dump_content(hto, stdout, "wmo", dump_flags, NULL);
}
codes_handle_delete(hfrom);
codes_handle_delete(hto);
return err;
}
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