From 3267c2e6250d8cbebf64861fb34b4be49f27bdd7 Mon Sep 17 00:00:00 2001
From: Cody Boone Ferguson <53008573+xexyl@users.noreply.github.com>
Date: Fri, 12 Jan 2024 08:36:04 -0800
Subject: [PATCH] Add 1989/robison/try.sh

Also updated bugs.md with another case where the program might 'break
into tiny bits' but as a feature not a bug. Checking the source code
will give all you need to know about the 'problem' quite well.
---
 1989/robison/README.md | 22 ++++++----------------
 1989/robison/try.sh    | 41 +++++++++++++++++++++++++++++++++++++++++
 bugs.md                |  3 +++
 thanks-for-help.md     |  2 ++
 4 files changed, 52 insertions(+), 16 deletions(-)
 create mode 100755 1989/robison/try.sh

diff --git a/1989/robison/README.md b/1989/robison/README.md
index d39e3f49f..a1746bf11 100644
--- a/1989/robison/README.md
+++ b/1989/robison/README.md
@@ -29,27 +29,17 @@ For more detailed information see [1989 robison in bugs.md](/bugs.md#1989-robiso
 ```sh
 ./robison
 11x10
+# enter other expressions
 
-echo 1x10x111 | ./robison
-
-echo 1+1+10 | ./robison
-
-echo 100 - 1 | ./robison
-
-echo -100 x 100 + 1 | ./robison
+./try.sh
 
 echo 100 / 100 | ./robison # <-- what happens here ?
 ```
 
-NOTE: This program will very likely crash or break into tiny bits
-:-) if you feed it numbers with non-binary digits.
-
-This is supposed to happen.  As is written in the
-[The Jargon File](http://catb.org/jargon/html/F/feature.html):
-
-```
-That's not a bug, that's a feature.
-```
+NOTE: This program will very likely crash or break into tiny bits :-) if you
+feed it numbers with non-binary digits. This, as you might notice if you try one
+of the above commands, can happen with other input as well. If you wish to
+understand why this happens check the source code.
 
 
 ## Judges' remarks:
diff --git a/1989/robison/try.sh b/1989/robison/try.sh
new file mode 100755
index 000000000..a31227d8c
--- /dev/null
+++ b/1989/robison/try.sh
@@ -0,0 +1,41 @@
+#!/usr/bin/env bash
+#
+# try.sh - demonstrate IOCCC winner 1989/robison
+#
+
+# 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: echo 1x10x111 | ./robison: "
+echo 1>&2
+echo 1x10x111 | ./robison
+echo 1>&2
+
+read -r -n 1 -p "Press any key to run: echo 1+1+10 | ./robison: "
+echo 1>&2
+echo 1+1+10 | ./robison
+echo 1>&2
+
+read -r -n 1 -p "Press any key to run: echo 100 - 1 | ./robison: "
+echo 1>&2
+echo 100 - 1 | ./robison
+echo 1>&2
+
+read -r -n 1 -p "Press any key to run: echo -100 x 100 + 1 | ./robison: "
+echo 1>&2
+echo -100 x 100 + 1 | ./robison
+echo 1>&2
+
+read -r -n 1 -p "Press any key to run: echo 101x111-100 | ./robison: "
+echo 1>&2
+echo 101x111-100 | ./robison
+echo 1>&2
diff --git a/bugs.md b/bugs.md
index d2f3f6b49..55deb8dac 100644
--- a/bugs.md
+++ b/bugs.md
@@ -543,6 +543,9 @@ If you want to try and fix this (mis)feature, you are welcome to try.
 This program will very likely crash or break into tiny bits :-) if you feed it
 numbers with non-binary digits.
 
+There are also other cases where this can happen for instance using unsupported
+operators like `/`. To see what operators are supported check the source code.
+
 
 ## 1989 westley
 
diff --git a/thanks-for-help.md b/thanks-for-help.md
index b07ee72f0..685b0742f 100644
--- a/thanks-for-help.md
+++ b/thanks-for-help.md
@@ -849,6 +849,8 @@ cd 1989/robison ; make diff_orig_prog
 
 (It adds the C token pasting operator `##` instead of `/**/`.)
 
+Cody also added the [try.sh](/1989/robison/try.sh) script.
+
 
 ## <a name="1989_tromp"></a>[1989/tromp](/1989/tromp/tromp.c) ([README.md](/1989/tromp/README.md]))