eccodes/tools/grib_2_request.c

/*
 * (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 "config.h"
#include <stdio.h>
#include <stdlib.h>

#include "grib_api_internal.h"


int main(int argc, char* argv[])
{
    grib_handle* h = NULL;
    FILE* f        = NULL;
    int i          = 0;
    int err        = 0;
    char* mode     = "file";
    char name[80];
    char value[80];


    for (i = 1; i < argc; i++) {
        if (argv[i][0] == '-') {
            mode = argv[i] + 1;
            continue;
        }

        f = fopen(argv[i], "r");
        if (!f) {
            perror(argv[i]);
            exit(1);
        }

        while ((h = grib_handle_new_from_file(0, f, &err)) != NULL) {
            grib_keys_iterator* ks = grib_keys_iterator_new(h, GRIB_KEYS_ITERATOR_ALL_KEYS, "mars");
            while (grib_keys_iterator_next(ks)) {
                size_t len = sizeof(value);
                char tmp[100];

                strcpy(name, grib_keys_iterator_get_name(ks));

                sprintf(tmp, "mars.%s", name);

                if ((err = grib_keys_iterator_get_string(ks, value, &len)) != GRIB_SUCCESS)
                /* if(err = grib_get_string(h,tmp,value,&len)) */
                {
                    fprintf(stderr, "Cannot get %s as string %d (%s)\n", name, err,
                            grib_get_error_message(err));
                    exit(err);
                }

                printf("%s=%s\n", name, value);
            }
            grib_keys_iterator_delete(ks);
            printf("\n");


            grib_handle_delete(h);
        }
        fclose(f);
        if (err) {
            fprintf(stderr, "%s\n", grib_get_error_message(err));
            exit(1);
        }
    }
    return 0;
}