package onlyfun.caterpillar;
 
import java.io.*; 
 
public class BufferedReaderWriterDemo { 
    public static void main(String[] args) { 
        try { 
           // 緩沖System.in輸入流
            BufferedReader bufReader = 
                new BufferedReader(
                      new InputStreamReader(System.in)); 
           // 緩沖FileWriter字符輸出流
            BufferedWriter bufWriter = 
                new BufferedWriter(new FileWriter(args[0])); 
 
            String input = null; 

           // 每讀一行進(jìn)行一次寫入動(dòng)作
            while(!(input = 
                      bufReader.readLine()).equals("quit")) { 
                bufWriter.write(input); 
                 // newLine()方法寫入與操作系統(tǒng)相依的換行字符
                bufWriter.newLine(); 
            } 
 
            bufReader.close(); 
            bufWriter.close(); 
        } 
        catch(ArrayIndexOutOfBoundsException e) { 
            System.out.println("沒有指定文件");
        } 
        catch(IOException e) { 
            e.printStackTrace(); 
        } 
    } 
}