Add 2018/burton1/try.sh, rename scripthd, ...

The scripthd is now called scripthd.sh to help GitHub/browsers with
whether or not to download or show it.

The try.sh script uses the script to show the differences between it and
prog.

The README.md file has been format/typo checked.

2018/burton1/try.sh

@@ -0,0 +1,39 @@
+#!/usr/bin/env bash
+#
+# try.sh - demonstrate IOCCC winner 2018/burton1
+#
+
+# 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="$CC" everything >/dev/null || exit 1
+
+for i in prog scripthd.sh; do
+    echo "$ ./$i < prog.c" 1>&2
+    ./"$i" < prog.c
+    echo 1>&2
+
+    read -r -n 1 -p "Press any key to run: ./$i < prog (space = next page, q = quit): "
+    echo 1>&2
+    ./"$i" < prog | less -EXF
+    echo 1>&2
+
+    read -r -n 1 -p "Press any key to run: ./$i < scripthd.sh (space = next page, q = quit): "
+    echo 1>&2
+    ./"$i" < scripthd.sh | less -EXF
+    echo 1>&2
+
+
+    read -r -n 1 -p "Press any key to run: head $0 | ./$i: "
+    echo 1>&2
+    head "$0" | ./"$i"
+    echo 1>&2
+
+    read -r -n 1 -p "Press any key to run: tail -n 15 Makefile | ./$i: "
+    echo 1>&2
+    tail -n 15 Makefile | ./"$i"
+done