Reminder about shell interpolation

1 files changed, 2 insertions, 0 deletions

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).