From d54f4f0fa4e8b151d7eed9cd291e06db8483fec6 Mon Sep 17 00:00:00 2001
From: Adam McDaniel <adam@userful.com>
Date: Tue, 16 Jun 2015 15:16:00 -0600
Subject: [PATCH] Add 'grep . *' oneliner trick for high-level scan of a
 directory

---
 README.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/README.md b/README.md
index d247fe5..e97ed0c 100644
--- a/README.md
+++ b/README.md
@@ -238,6 +238,12 @@ A few examples of piecing together commands:
       cat a b b | sort | uniq -u > c   # c is set difference a - b
 ```
 
+- Use `grep . *` to visually examine all contents of all files in a directory.  Useful for directories filled with config settings, like /sys /proc /etc.
+```sh
+      cd /proc/sys/net/ipv4
+      grep . *
+```
+
 - Summing all numbers in the third column of a text file (this is probably 3X faster and 3X less code than equivalent Python):
 ```sh
       awk '{ x += $3 } END { print x }' myfile