From 6e6112f32457cca3f98ec5311b4d1bdd3e378f83 Mon Sep 17 00:00:00 2001
From: onceupon <nim.1111.ou@gmail.com>
Date: Fri, 14 Apr 2017 17:19:59 +0800
Subject: [PATCH] add other

to uppercase/lowercase
---
 README.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/README.md b/README.md
index 7c906f9..5cf0e2b 100644
--- a/README.md
+++ b/README.md
@@ -797,6 +797,12 @@ tr --delete '\n' <input.txt >output.txt
 tr '\n' ' ' <filename
 ```
 
+##### to uppercase/lowercase
+     
+```bash
+tr /a-z/ /A-Z/
+```
+
 ##### compare files (e.g. fileA, fileB)
     
 ```bash