RCDFMaxRecR

Syntax

int RCDFMaxRecR(CDFid id,char *varname);

Header

analysis/rcdf.h

Library

Description

The RCDFMaxRecR function determines the maximum record number for an R variable in the open CDF file identified by the argument id.The R variable is identified by the argument varname.

Returns

Returns the number of records on success. On error, a (-1) is returned.

Errors

On error, a (-1) is returned.

Example

Source Code: RCDFMaxRecR.c

/* RCDFMaxRecR.c
   =============
   Author: R.J.Barnes
*/


#include <stdio.h>
#include <stdlib.h>
#include <cdf.h>
#include "rcdf.h"


int main(int argc,char *argv[]) {

  CDFid id;
  CDFstatus status;
  int max;

  fprintf(stdout,"RCDFMaxRecR'n");
  if (argc<3) {
    fprintf(stderr,"Filename and variable must be given.'n");
    exit(-1);
  } 

  status=CDFopen(argv[1],&id);
  if (status !=CDF_OK) {
     fprintf(stderr,"Could not open cdf file.'n");
     exit(-1);
  }

  max=RCDFMaxRecR(id,argv[2]);

  CDFclose(id);
  
  fprintf(stdout,"Max. R Rec for %s:%d'n",argv[2],max);

  return 0;
}