myod

MyOD

内容

编写MyOD.java 用java MyOD XXX实现Linux下od -tx -tc XXX的功能

import java.io.*;
import java.util.Scanner;
/**
*Created by xinag on 2018/6/10.
*/
public class MyOD {
    public static void dump(InputStream src)
            throws IOException {
        try (InputStream input = src) {
            byte[][] data = new byte[50][1];
            byte[][] transf = new byte[50][1];
            int i=0, j=0, num;
            System.out.print("00010: ");
            while (input.read(data[i]) != -1) {
                num = (int)data[i][0];
                System.out.printf("%5s", Integer.toHexString(num));
                i++;
            }
            System.out.print("
00020: ");
            while (j<i) {
                transf[j][0] = (byte)(data[j][0] - 0x30);
                System.out.printf("%5d", transf[j][0]);
                j++;
            }
            System.out.println();
        }
    }
    public static void main(String[] args) {
        FileInputStream fis = null;
        Scanner scanner = new Scanner(System.in);
        String adress = null;
        try {
            System.out.println("Input your file adress:");
            adress = scanner.next();
            fis = new FileInputStream(adress);
            dump(fis);
        }catch(Exception e) {
            System.out.println(e);
        }
    }
}

结果