Add 1998/chaos/try.sh

The script runs the program on each data file, explaining how to use the
program, things to try and how to quit the program and how to terminate
the script prematurely.

1998/chaos/README.md

@@ -21,6 +21,21 @@ make chaos_nohalf
 ```
 
 
+## Try:
+
+
+```sh
+./try.sh
+```
+
+This script will run the program on each data file. To quit the program hit `q`.
+If not all files have been used it will go to the next one; otherwise the script
+will be finished. To end the script early send intr/ctrl-c.
+
+The script will give you instructions on how to use the program and things to
+try each time it is run, as a helpful reminder.
+
+
 ## Judge's Comments:
 
 This is the author's first IOCCC entry.  We thought the entry was