From 430cfb08eff98a14b8f9a709086f51bd40986d3f Mon Sep 17 00:00:00 2001
From: onceupon <nim.1111.ou@gmail.com>
Date: Tue, 10 Apr 2018 14:57:51 +0800
Subject: [PATCH] add variable

get the length of variable
---
 README.md | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/README.md b/README.md
index 936baee..4feddff 100644
--- a/README.md
+++ b/README.md
@@ -826,6 +826,13 @@ for line in $(cat myfile); do echo $line; read -n1; done
 #'bar'
 # double/single quotes around single quotes make the inner single quotes expand variables
 ```
+##### get the length of variable
+```bash
+var="some string"
+echo ${#var}  
+# 11
+```
+
 ##### replacement (e.g. replace 'a' with ',')
 ```bash
 {i/a/,}