/*
 * Note: These examples use the old version 1 Java netCDF interface,
 * which we do not recommend for new development. Instead, please use
 * NetCDF Java Library (Version 2), which is more efficient, simpler,
 * and provides better support for remote access using HTTP or
 * DODS. Similar examples are available in the NetCDF Java (version 2)
 * User's Manual.
 */

package ucar.demo;

import ucar.netcdf.NetcdfFile;
import ucar.netcdf.Netcdf;

/**
 * Simple example to print structure of an existing netCDF file of unknown 
 * structure.
 *
 * @author: Russ Rew
 * @version: $Id: ShowNetcdfSchema.java,v 1.9 1998/07/17 15:24:32 russ Exp $
 */
public class ShowNetcdfSchema {

    static String fileName;

    /** 
     * Prints schema (structure) of an existing netCDF file with a
     * specified file name.
     *
     * @param args name of netCDF file to be read.  */
    public static void main(String[] args) {
	
	if (args.length == 1)
	    fileName = args[0];
	else {
	    System.err.println("no netCDF file name specified, exiting ...");
	    System.exit(-1);
	}

	try {
	    Netcdf nc = new NetcdfFile(fileName, true); // open it readonly
	    System.out.println(nc); // output schema in CDL form (like ncdump)
	} catch (java.io.IOException e) {
	    e.printStackTrace();
	}

    }
}