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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 <stdio.h>
#ifndef ECCODES_ON_WINDOWS
#include <unistd.h>
#endif
#include "grib_api_internal.h"
int main(int argc, char** argv)
{
int err = 0, is_missing = 0;
double* values = NULL;
char format[1024] = {0,};
size_t values_len = 0, i = 0;
long Ni = 0;
FILE* in = NULL;
grib_handle* h = NULL;
if (argc > 1)
in = fopen(argv[1], "rb");
else {
printf("Usage : %s filename [format]\n", argv[0]);
exit(1);
}
if (!in) {
fprintf(stderr, "ERROR: Could not open file %s\n", argv[1]);
return 1;
}
if (argc > 2)
strcpy(format, argv[2]);
else
strcpy(format, "%g ");
h = grib_handle_new_from_file(0, in, &err);
while (h) {
if ((err = grib_get_long(h, "Ni", &Ni)) != GRIB_SUCCESS) {
fprintf(stderr, "ERROR: %s", grib_get_error_message(err));
return 1;
}
is_missing = grib_is_missing(h, "Ni", &err);
if (is_missing) {
fprintf(stderr, "ERROR: Key Ni is missing\n");
return 1;
}
if ((err = grib_get_size(h, "values", &values_len)) != GRIB_SUCCESS) {
fprintf(stderr, "ERROR: %s", grib_get_error_message(err));
return 1;
}
values = malloc(values_len * sizeof(double));
if ((err = grib_get_double_array(h, "values", values, &values_len)) != GRIB_SUCCESS)
fprintf(stderr, "ERROR: %s", grib_get_error_message(err));
for (i = 0; i < values_len; i++) {
if (i != 0 && (i % Ni == 0)) printf("\n");
printf(format, values[i]);
}
printf("\n\n");
printf("%lu values\n", i);
free(values);
grib_handle_delete(h);
h = grib_handle_new_from_file(0, in, &err);
if (h)
printf("************************************************************\n");
}
fclose(in);
return 0;
}
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