From 3df60d19ecec05df1fa92f871e738fe6bb85e91a Mon Sep 17 00:00:00 2001
From: ZhuangZhu-74 <49544524+ZhuangZhu-74@users.noreply.github.com>
Date: Sun, 19 May 2019 10:13:25 +0800
Subject: [PATCH] Update date.md (#107)
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为date命令添加用法
---
 command/date.md | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/command/date.md b/command/date.md
index 27b7e5d9b3..a182904c6c 100644
--- a/command/date.md
+++ b/command/date.md
@@ -152,5 +152,19 @@ difference=$(( end - start ))
 echo $difference seconds.
 ```
 
+当你考虑输出带有时间的字符串时，例如（Current time: 2019/05/19）：
+
+最常用的方法：
+
+```shell
+echo -e "Current time: $(date +"%Y%m%d")"
+```
+
+另一种方法：
+```shell
+suffix='Current time:'
+#和echo的用法差不多，注意如果换成单引号就不能替换变量了。
+date +"${suffix} %Y/%m/%d"
+```
 
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