From b5ad91e272097babf59476d49de4a58b82d27246 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=85=89=E5=AD=90?= <kuuyee@gmail.com>
Date: Thu, 24 Sep 2015 21:54:57 +0800
Subject: [PATCH] Create 12.4.md

---
 eBook/12.4.md | 4 ++++
 1 file changed, 4 insertions(+)
 create mode 100644 eBook/12.4.md

diff --git a/eBook/12.4.md b/eBook/12.4.md
new file mode 100644
index 0000000..1f54776
--- /dev/null
+++ b/eBook/12.4.md
@@ -0,0 +1,4 @@
+# 从命令行读取参数
+
+
+