From 75ef40dad5f2b0cb4209cd6233b02a807605b2be Mon Sep 17 00:00:00 2001
From: virusdefender <virusdefender@outlook.com>
Date: Mon, 4 Jul 2022 14:06:59 +0800
Subject: [PATCH] =?UTF-8?q?=E6=94=AF=E6=8C=81=E4=BB=8E=E6=96=87=E4=BB=B6?=
 =?UTF-8?q?=E4=B8=AD=E8=AF=BB=E5=8F=96=20BCEL=20=E4=BB=A3=E7=A0=81?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 README.md     |  6 +++---
 src/Main.java | 17 +++++++++++------
 2 files changed, 14 insertions(+), 9 deletions(-)

diff --git a/README.md b/README.md
index 7ad8249..0d18db6 100644
--- a/README.md
+++ b/README.md
@@ -11,12 +11,12 @@
 > 使用Decode功能会自动在当前目录下生成**Decoded.class**, 由于BCEL编码存在$符号，请使用***单引号***对代码进行包裹
 
 ```shell
-
-Decode:
+Decode from string in args:
 java -jar BCELCodeman.jar d [BCEL_CODE]
+Decode from file path:
+java -jar BCELCodeman.jar df [BCEL_Filepath]
 Encode:
 java -jar BCELCodeman.jar e [Class_Filepath]
-
 ```
 
 ![命令行使用示例](./screenshot/jar_example.png)
diff --git a/src/Main.java b/src/Main.java
index 97e378a..c03a816 100644
--- a/src/Main.java
+++ b/src/Main.java
@@ -12,17 +12,22 @@
 public class Main {
     public static void main(String[] args) {
         String helpMsg = "---------Example---------\n"
-                        + "Decode:\n"
-                        + "java -jar BCELCodeman.jar d [BCEL_CODE]\n"
-                        + "Encode:\n"
-                        + "java -jar BCELCodeman.jar e [Class_Filepath]\n\n"
-                        + "  -=Coding By F1tz=-";
+                + "Decode from string in args:\n"
+                + "java -jar BCELCodeman.jar d [BCEL_CODE]\n"
+                + "Decode from file path:\n"
+                + "java -jar BCELCodeman.jar df [BCEL_Filepath]\n"
+                + "Encode:\n"
+                + "java -jar BCELCodeman.jar e [Class_Filepath]\n\n"
+                + "  -=Coding By F1tz=-";
         try{
             switch (args[0]){
                 case "d" :
                     String bcelCode = args[1];
                     decode(bcelCode);
                     break;
+                case "df" :
+                    decode(new String(Files.readAllBytes(Paths.get(args[1]))));
+                    break;
                 case "e" :
                     String classPath = args[1];
                     encode(classPath);
@@ -31,8 +36,8 @@ public static void main(String[] args) {
                     System.out.println(helpMsg);
             }
         }catch (Exception e){
+            e.printStackTrace();
             System.out.println(helpMsg);
-            return;
         }
     }