From bab726081b56550af42827384cde3518d76144b6 Mon Sep 17 00:00:00 2001
From: bonnie <nim.1111.ou@gmail.com>
Date: Sun, 8 May 2022 23:33:28 +0800
Subject: [PATCH] fixed example for Variable command

---
 README.md | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index af72580..b0844d3 100644
--- a/README.md
+++ b/README.md
@@ -188,11 +188,13 @@ echo ${var[@]#0}
 ```bash
 {var//a/,}
 ```
+
+##### Grep lines with strings from a file (e.g. lines with 'stringA or 'stringB' or 'stringC')
 ```bash
 #with grep
- test="god the father"
- grep ${test// /\\\|} file.txt
- # turning the space into 'or' (\|) in grep
+test="stringA stringB stringC"
+grep ${test// /\\\|} file.txt
+# turning the space into 'or' (\|) in grep
 ```
 
 ##### To change the case of the string stored in the variable to lowercase (Parameter Expansion)