The Morse Code, named after its inventor Samuel Morse, was used for long distance communication. It is largely believed that it is now obsolete, yet some prisoners still find it useful. (banging a shoe on a pipe) Learn more about it at Wikipedia. Anyway here is the script #!/bin/bash # morse.sh - Generate Morse Code from ascii # you can contact me at: # --. .-. ..- .-.. --- ... .--.-. --. -- .-