/******************************************************************************
 * This program simply writes characters from the alphabet to a file.
 * 
 * Copyright © 2020 Richard Lesh.  All rights reserved.
 *****************************************************************************/

import java.io.BufferedWriter;
import java.io.IOException;
import java.nio.charset.Charset;
import java.nio.file.FileSystems;
import java.nio.file.Files;
import org.pureprogrammer.Utils;

public class FileIO4 {

	static void writeTextFile(String filespec) throws IOException {
		BufferedWriter ofh = Files.newBufferedWriter(FileSystems.getDefault().getPath(filespec), Charset.forName("UTF-8"));
// Latin alphabet
		for (int c = 0x41; c <= 0x5A; ++c) {
			ofh.write(c);
		}
		ofh.write("\n");
// Greek alphabet
		for (int c = 0x391; c <= 0x3A9; ++c) {
			ofh.write(c);
		}
		ofh.write("\n");
// Cyrillic alphabet
		for (int c = 0x410; c <= 0x42F; ++c) {
			ofh.write(c);
		}
		ofh.write("\n");
// Katakana alphabet
		for (int c = 0x30A0; c <= 0x30FF; ++c) {
			ofh.write(c);
		}
		ofh.write("\n");
		ofh.flush();
		try {ofh.close();} catch (IOException ex) {};
	}

	public static void main(String[] args) {
		if (args.length != 1) {
			System.out.println(Utils.join("", "Syntax: ", "FileIO4", " {filename}"));
			System.exit(1);
		}
		final String FILESPEC = args[0];
		try {
			writeTextFile(FILESPEC);
		} catch (IOException ex) {
			System.out.println(Utils.join("", "Error: ", Utils.exceptionMessage(ex)));
		} catch (Exception ex) {
			System.out.println("Unexpected File Read Error");
		}
	}
}