nc2nc.c
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <netcdf.h>
main(int argc, char **argv)
{
int ncID;
char varname[NC_MAX_NAME];
int i, ii, j, status, nvars;
char SpecialSymbol[9] = {' ', '#', '%', '@', '+', '.', '>', '<', '-'};
/* open nc file to write */
if((status = nc_open(argv[1],NC_WRITE|NC_SHARE,&ncID)) != NC_NOERR)
{
fprintf(stderr,"Can not open file %s to write\n",argv[1]);
exit(0);
}
/* get info on number of variables */
status = nc_inq_nvars(ncID, &nvars);
for (j = 0; j < nvars; j++) {
/* get the name of variable by its ID */
status = nc_inq_varname(ncID, j, varname);
/* Replace special symbols with underscore(s) */
for (ii = 0; ii < 9; ii++)
for (i = 0; i < strlen(varname); i++) {
if (varname[i] == SpecialSymbol[ii]) varname[i] = '_';
}
/* Rename the variable */
status = nc_rename_var(ncID, j, varname);
nc_sync(ncID);
}
status = nc_close(ncID);
}