From aa148e2a7d531ec3402208096b31a81dda8a81b9 Mon Sep 17 00:00:00 2001
From: Marcin Chrzanowski <marcin.j.chrzanowski@gmail.com>
Date: Sun, 3 Nov 2019 22:40:16 +0100
Subject: Reminder about shell interpolation

---
 awk.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/awk.md b/awk.md
index 12c7772..8e8499a 100644
--- a/awk.md
+++ b/awk.md
@@ -7,6 +7,8 @@
 Program is ;-separated pattern-action statements.
 
     /pattern/ { action }
+    # e.g. (apostrophes to not interpolate shell vars
+    awk '/tt/ { print $1 }' awk.md
 
 `$0` is whole line, `$1`, `$2`, ... are fields separated by `FS` (by default,
 whitespace).
-- 
cgit v1.2.3