From: Lorin Hochstein <lhochstein@netflix.com>
Date: Sun, 29 Jan 2017 05:03:16 +0000 (-0800)
Subject: Nicer awk
X-Git-Url: https://git.halfball.org/?a=commitdiff_plain;h=8fb0ce84b9871618c9ead915de0196bc07162a8b;p=ansiblebook.git

Nicer awk
---

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