main();

function main() {
	var randomname = Number(new Date());
	// get the text file
	var filepath = "~/Desktop/" + randomname + ".txt";
	var write_file = File(filepath);

	if (!write_file.exists) {
		// if the file does not exist create one
		write_file = new File(filepath);
	} else {
		// if it exists ask the user if it should be overwritten
		var res = confirm(
			"The file already exists. Should I overwrite it",
			true,
			"titleWINonly",
		);
		// if the user hits no stop the script
		if (res !== true) {
			return;
		}
	}

	var out; // our output
	// we know already that the file exist
	// but to be sure
	if (write_file !== "") {
		//Open the file for writing.
		out = write_file.open("w", undefined, undefined);
		write_file.encoding = "UTF-8";
		write_file.lineFeed = "Unix"; //convert to UNIX lineFeed
		// txtFile.lineFeed = "Windows";
		// txtFile.lineFeed = "Macintosh";
	}
	// got an output?
	if (out !== false) {
		// loop the list and write each item to the file
		write_file.writeln("Hello World!");
		// always close files!
		write_file.close();
	}

	var read_file = File(filepath);
	read_file.open("r", undefined, undefined);
	if (read_file !== "") {
		alert("this is read only\n " + read_file.read());
		read_file.close();
	}

	var append_file = File(filepath);
	append_file.open("a", undefined, undefined);
	if (append_file !== "") {
		append_file.writeln("Hello I'm an appended line!");

		append_file.close();
	}

	var read_again_file = File(filepath);
	read_again_file.open("r", undefined, undefined);
	if (read_again_file !== "") {
		alert("this is read only again\n" + read_again_file.read());
		read_again_file.close();
	}
}