import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.util.Scanner;
public class Coder {
 /**
 * @param args
 */
public static void main(String[] args) {
if (args.length < 4) {
System.out.println("ERROR: Запустите программу с аргументами: имя_входного_файла кодировка имя_выходного_файла кодировка\n");
return;
}
File file_in = new File(args[0]);
System.out.println("Input file is: " + args[0]);
System.out.println("Input encoding is: " + args[1]);
System.out.println("Output file is: " + args[2]);
System.out.println("Output encoding is: " + args[3]);
File file_out = new File(args[2]);
try {
Scanner scanner = new Scanner(new InputStreamReader(
new FileInputStream(file_in), args[1]));
OutputStream os = new FileOutputStream(file_out);
try {
PrintWriter writer = new PrintWriter(new OutputStreamWriter(
new BufferedOutputStream(os), args[3]));
try {
while (scanner.hasNextLine())
writer.println(scanner.nextLine());
} finally {
writer.close();
}
} finally {
os.close();
}
} catch (IOException ex) {
ex.printStackTrace();
}
}
}