From 4581f98ca2e7012722b1d761c3c433428cc356e1 Mon Sep 17 00:00:00 2001
From: Cody Boone Ferguson <53008573+xexyl@users.noreply.github.com>
Date: Tue, 14 Mar 2023 06:02:37 -0700
Subject: [PATCH] Make 2019/karns/demo.sh make prog

Make the script try compiling the entry first. Exit if failure.
---
 2019/karns/demo.sh | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/2019/karns/demo.sh b/2019/karns/demo.sh
index 1ed349763..e70d0f521 100755
--- a/2019/karns/demo.sh
+++ b/2019/karns/demo.sh
@@ -5,6 +5,9 @@
 # Doesn't run the program on README.md as it's longer and slower.
 #
 
+# make prog first and exit if failure
+make || exit
+
 # display prog.c to the user
 echo "$ cat prog.c"
 cat prog.c