From 8fb0ce84b9871618c9ead915de0196bc07162a8b Mon Sep 17 00:00:00 2001
From: Lorin Hochstein <lhochstein@netflix.com>
Date: Sat, 28 Jan 2017 21:03:16 -0800
Subject: [PATCH] Nicer awk

---
 ch13/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ch13/Makefile b/ch13/Makefile
index 6e7c3e4..7f95a8b 100644
--- a/ch13/Makefile
+++ b/ch13/Makefile
@@ -14,7 +14,7 @@ stop:
 # Delete images
 clean:
 	docker ps -a | awk 'NR!=1 { print $1 }' | xargs docker rm
-	docker images | awk 'NR>1' | awk '/ch13.*/ {print $1":"$2}' | xargs docker rmi
+	docker images | awk 'NR>1 && /ch13.*/ {print $1":"$2}' | xargs docker rmi
 
 # Generate self-signed certs for localhost
 ssl: certs/nginx.crt certs/nginx.key
-- 
2.44.0