diff --git a/2020/endoh2/README.md b/2020/endoh2/README.md
index 51992ebc0..ecc61daf5 100644
--- a/2020/endoh2/README.md
+++ b/2020/endoh2/README.md
@@ -15,15 +15,17 @@ make
 ### Try:
 
 ```sh
-./prog
-
-./prog hello.txt
-
-./prog yoda.txt
-
-./prog bear.txt
+./try.sh
 ```
 
+What happens if you do
+
+```sh
+./prog prog.c
+```
+
+?
+
 
 ## Judges' remarks:
 
diff --git a/2020/endoh2/try.sh b/2020/endoh2/try.sh
new file mode 100755
index 000000000..792637626
--- /dev/null
+++ b/2020/endoh2/try.sh
@@ -0,0 +1,48 @@
+#!/usr/bin/env bash
+#
+# try.sh - demonstrate IOCCC winner 2020/endoh2
+#
+
+# make sure CC is set so that when we do make CC="$CC" it isn't empty. Doing it
+# this way allows us to have the user specify a different compiler in an easy
+# way.
+if [[ -z "$CC" ]]; then
+    CC="cc"
+fi
+
+make CC="$CC" all >/dev/null || exit 1
+
+# clear screen after compilation so that only the entry is shown
+clear
+
+read -r -n 1 -p "Press any key to run: ./prog: "
+echo 1>&2
+./prog
+echo 1>&2
+
+read -r -n 1 -p "Press any key to show hello.txt: "
+echo 1>&2
+cat hello.txt
+echo 1>&2
+
+read -r -n 1 -p "Press any key to run: ./prog hello.txt: "
+echo 1>&2
+./prog hello.txt
+echo 1>&2
+
+read -r -n 1 -p "Press any key to show yoda.txt: "
+echo 1>&2
+cat yoda.txt
+echo 1>&2
+
+read -r -n 1 -p "Press any key to run: ./prog yoda.txt: "
+echo 1>&2
+./prog yoda.txt
+
+read -r -n 1 -p "Press any key to show bear.txt: "
+echo 1>&2
+cat bear.txt
+read -r -n 1 -p "Press any key to run: ./prog bear.txt: "
+echo 1>&2
+./prog bear.txt
+
diff --git a/thanks-for-help.md b/thanks-for-help.md
index aa8246a0d..e6b6ca487 100644
--- a/thanks-for-help.md
+++ b/thanks-for-help.md
@@ -4306,8 +4306,11 @@ a friend, whether that's real or imagined.
 
 ## <a name="2020_endoh2"></a>[2020/endoh2](/2020/endoh2/prog.c) ([README.md](/2020/endoh2/README.md))
 
-[Cody](#cody) copied the files from the spoiler.zip file that was password protected with
-a password that was no longer known from his preview of 2020.
+[Cody](#cody) copied the files from the spoiler.zip file (from his copy during
+the preview period) that was password protected with a password that was no
+longer known.
+
+He also added the [try.sh](/2020/endoh2/try.sh) script.
 
 
 ## <a name="2020_endoh3"></a>[2020/endoh3](/2020/endoh3/prog.c) ([README.md](/2020/endoh3/README.md))