/*	Punters Lounge JAVA programming course
 *	
 *	Lesson7c.java
 *
 *	Author	:	Erik Datapunter
 *	Date	:	12/jun/2004
 *
 *	Reading from a file and writing to a file using buffers
 *
 */

// import the library with Input Output objects
import java.io.*;

public class Lesson7c {
    public static void main(String[ ] arguments) throws Exception {

	/* create a file object of the file to read
	*  create a FileReader object
	*  create a BufferedReader object
	*  we can access the file with the inputfilebuffer object
	*/
	File FromFile = new File("in-file.txt");
	FileReader ReadFile = new FileReader(FromFile);
	BufferedReader inputfilebuffer = new BufferedReader(ReadFile);

	/* create a file object of the file to write
	*  create a FileWriter object
	*  create a BufferedWriter object
	*  we can access the file with the outputfilebuffer object
	*/
	File ToFile = new File("out-file.txt");
	FileWriter WriteFile = new FileWriter(ToFile);
	BufferedWriter outputfilebuffer = new BufferedWriter(WriteFile);

	// a String to hold a single line
	String ReadLine = "";

	// loop as long as there are lines to read from the input file
	while ((ReadLine = inputfilebuffer.readLine()) != null)
	{
		// write the line to the output file
		outputfilebuffer.write(ReadLine);
		outputfilebuffer.newLine();
		System.out.println(ReadLine);
	}
	// when all lines have been read and written close the buffer
	// this will automatically flush the Writer buffer to the hard-disk and close the file
	inputfilebuffer.close();
	outputfilebuffer.close();

}
}