mirror of https://github.com/ecmwf/eccodes.git
85 lines
1.8 KiB
C
Executable File
85 lines
1.8 KiB
C
Executable File
/*
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* Copyright 2005-2015 ECMWF.
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*
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* This software is licensed under the terms of the Apache Licence Version 2.0
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* which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
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*
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* In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
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* virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
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*/
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#include <assert.h>
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#include <stdio.h>
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#include <unistd.h>
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#include "grib_api.h"
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int main(int argc, char** argv) {
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int err = 0;
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double *values = NULL;
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char format[1024];
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size_t values_len= 0;
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size_t i = 0;
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long ni;
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double a;
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long d;
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FILE* in = NULL;
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grib_handle *h = NULL;
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if(argc > 1)
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in = fopen(argv[1],"r");
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else{
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printf("usage : gribvals filename [format]\n");
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exit(1);
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}
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if(!in){
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printf("error file not found");
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return 1;
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}
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if(argc > 2)
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strcpy(format,argv[2]);
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else
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strcpy(format,"%g ");
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h = grib_handle_new_from_file(0,in);
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while(h){
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if((err = grib_get_long(h,"ni",&ni)) != GRIB_SUCCESS)
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printf("error %d : %s",err,grib_get_error_message(err));
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if((err = grib_get_size(h,"values",&values_len)) != GRIB_SUCCESS){
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printf("error %d : %s",err,grib_get_error_message(err));
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return 1;
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}
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values = malloc(values_len*sizeof(double));
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if((err = grib_get_double_array(h,"values",values,&values_len)) != GRIB_SUCCESS)
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printf("error %d : %s",err,grib_get_error_message(err));
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for(i = 0; i < values_len; i++){
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if(i!=0 && (i%ni == 0))printf("\n");
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printf(format,values[i]);
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}
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printf("\n");
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fprintf(stderr,"%d values\n",i);
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free(values);
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grib_handle_delete(h);
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h = grib_handle_new_from_file(0,in);
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if(h)
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printf("************************************************************\n");
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}
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fclose(in);
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return 0;
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}
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