/******************************************************************************
 * This program reads bytes from a binary file and copies them to another file.
 * 
 * Copyright © 2021 Richard Lesh.  All rights reserved.
 *****************************************************************************/

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import org.pureprogrammer.Utils;

public class FileIO9 {

	static void copyBinaryFile(String fromFilespec, String toFilespec) throws IOException {
		BufferedInputStream ifh = new BufferedInputStream(new FileInputStream(fromFilespec));
		BufferedOutputStream ofh = new BufferedOutputStream(new FileOutputStream(toFilespec));
		int c;
		while ((c = Utils.getbyte(ifh)) != -1) {
			ofh.write(c);
		}
		try {ifh.close();} catch (IOException ex) {};
		try {ofh.close();} catch (IOException ex) {};
	}

	public static void main(String[] args) {
		if (args.length != 2) {
			System.out.println(Utils.join("", "Syntax: ", "FileIO9", " {fromFilespec} {toFilespec}"));
			System.exit(1);
		}
		String fromFilespec = args[0];
		String toFilespec = args[1];
		try {
			copyBinaryFile(fromFilespec, toFilespec);
		} catch (IOException ex) {
			System.out.println(Utils.join("", "Error: ", Utils.exceptionMessage(ex)));
		}
	}
}