Add 1998/bas2/try.sh + format/typo check README.md

The try.sh allows one to pass in args: if a readable regular file it
will be fed to the program and otherwise it'll act as if it's a string.
It also has some additional commands that I thought might be fun to show
the entry.

Format/typo check README.md file.

1998/bas2/README.md

@@ -8,12 +8,23 @@ make all
 ## To use:
 
 ```sh
-./bas2 < bas2.c
+./bas2 < file
+echo text | ./bas2
+```
+
+
+## Try:
+
+```sh
+./try.sh
+
+./try.sh "foo bar" "baz" "IOCCC 1998/bas2" README.md
 ```
 
 
 ## Judges' remarks:
 
+
 ### Questions to ponder:
 
 Can you determine the relationship between the input and the resulting numeric
@@ -22,6 +33,7 @@ output?
 The program was not designed to process files with a certain octet value, what
 value is that?
 
+
 ### Hint and Extra Credit:
 
 This entry points out a minor flaw in the IOCCC rules that has
@@ -40,10 +52,10 @@ done by matching the bit patterns.  Minor obfuscations are:
 
 - Useless variable names.
 
-- Recursive main() instead of 2 loops (over input characters and over bits in
+- Recursive `main()` instead of 2 loops (over input characters and over bits in
 the character).
 
-- `?` and `||` instead of if statements.
+- `?:` and `||` instead of if statements.
 
 
 ## Copyright and CC BY-SA 4.0 License:

1998/bas2/try.sh

@@ -0,0 +1,38 @@
+#!/usr/bin/env bash
+# 
+# try.sh - demonstrate 1998/bas2
+#
+# If any args are specified it checks if it's a readable file and if it is it
+# feeds it to the program. If not it assumes it's a string and feeds that to the
+# program.
+#
+
+make all || exit 1
+
+echo "$ ./bas2 < bas2.c" 1>&2
+./bas2 < bas2.c
+
+echo "$ ./bas2 < README.md" 1>&2
+./bas2 < README.md
+
+echo "$ ./bas2 < Makefile" 1>&2
+./bas2 < Makefile
+
+echo "$ echo foo bar baz | ./bas2" 1>&2
+echo foo bar baz | ./bas2
+
+echo "$ cat README.md Makefile bas2.c | ./bas2" 1>&2
+cat README.md Makefile bas2.c | ./bas2
+
+# while we have an arg check if it's a file. If it is a regular file that is
+# readable feed it to the program; otherwise act as if it's a string.
+while [[ "$#" -gt 0 ]]; do
+    if [[ -f "$1" && -r "$1" ]]; then
+	echo "$ ./bas2 < $1" 1>&2
+	./bas2 < "$1"
+    else
+	echo "$ echo $1 | ./bas2" 1>&2
+	echo "$1" | ./bas2
+    fi
+    shift 1
+done