Add 2004/hoyle/try.sh

This involved an update to .gitignore.

2004/hoyle/.gitignore

@@ -2,6 +2,8 @@
 # sort with: sort -d -u
 *.dSYM
 hoyle
+hoyle1.txt
+hoyle2.txt
 hoyle.alt
 hoyle.orig
 indent

2004/hoyle/README.md

@@ -15,9 +15,7 @@ make
 ## Try:
 
 ```sh
-./hoyle 10 0.5
-./hoyle 1 1 1 1
-./hoyle 2 0 1 0 -0.001
+./try.sh
 ```
 
 
@@ -37,7 +35,7 @@ coefficients `a`, `b`, `c`, etc. as double precision arguments.  It allows up to
 8 parameters (thus up to `x^7`).
 
 
-### Points of note:
+### Points of interest:
 
 - the [x axis](https://mathworld.wolfram.com/x-Axis.html) goes from `-32` to
 `+31`.
@@ -45,7 +43,7 @@ coefficients `a`, `b`, `c`, etc. as double precision arguments.  It allows up to
 - up to 8 [coefficients](https://en.wikipedia.org/wiki/Coefficient) may be
 passed in.
 - the graph will determine direction and use slashes and
-  dashes rather than simple block `X`s.
+  dashes rather than a simple block of `X`s.
 
 For example, to graph `y = x^2`:
 

2004/hoyle/try.sh

@@ -0,0 +1,64 @@
+#!/usr/bin/env bash
+#
+# try.sh - demonstrate IOCCC winner 2004/hoyle
+#
+
+# 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: ./hoyle 10 0.5 (space = next page, q = quit): "
+echo 1>&2
+./hoyle 10 0.5
+echo 1>&2
+
+read -r -n 1 -p "Press any key to run: ./hoyle 1 1 1 1 (space = next page, q = quit): "
+echo 1>&2
+./hoyle 1 1 1 1
+echo 1>&2
+
+read -r -n 1 -p "Press any key to run: ./hoyle 2 0 1 0 -0.001 (space = next page, q = quit): "
+echo 1>&2
+./hoyle 2 0 1 0 -0.001
+echo 1>&2
+
+read -r -n 1 -p "Press any key to run: ./hoyle 1 2 3 42 -0.42 (space = next page, q = quit): "
+echo 1>&2
+./hoyle 1 2 3 42 -0.42
+echo 1>&2
+
+read -r -n 1 -p "Press any key to run: ./hoyle 42 42 42 42 42 42 (space = next page, q = quit): "
+echo 1>&2
+./hoyle 42 42 42 42 42 42
+echo 1>&2
+
+read -r -n 1 -p "Press any key to run: ./hoyle 42 42 42 42 42 (space = next page, q = quit): "
+echo 1>&2
+./hoyle 42 42 42 42 42
+echo 1>&2
+
+
+read -r -n 1 -p "Press any key to run: ./hoyle 0 0 1 | tee hoyle1.txt (space = next page, q = quit): "
+echo 1>&2
+./hoyle 0 0 1 | tee hoyle1.txt | less -rEXF
+echo 1>&2
+
+read -r -n 1 -p "Press any key to run: ./hoyle 0 0 2 | tee hoyle2.txt (space = next page, q = quit): "
+echo 1>&2
+./hoyle 0 0 2 | tee hoyle2.txt | less -rEXF
+echo 1>&2
+
+read -r -n 1 -p "Press any key to run: diff -s hoyle1.txt hoyle2.txt: "
+echo 1>&2
+diff -s hoyle1.txt hoyle2.txt
+echo "... why are they the same?"
+rm -f hoyle1.txt hoyle2.txt

thanks-for-help.md

@@ -3003,6 +3003,11 @@ all that was necessary but at least one or two URLs required the Internet
 Wayback Machine.
 
 
+## <a name="2004_hoyle"></a>[2004/hoyle](/2004/hoyle/hoyle.c) ([README.md](/2004/hoyle/README.md]))
+
+[Cody](#cody) added the [try.sh](/2004/hoyle/try.sh) script.
+
+
 ## <a name="2004_jdalbec"></a>[2004/jdalbec](/2004/jdalbec/jdalbec.c) ([README.md](/2004/jdalbec/README.md))
 
 [Cody](#cody) fixed this to compile with gcc (it worked with clang). The problem was the