#!/usr/bin/env python
import sys
import fourletterphat

# if bad number of arguments...
if len(sys.argv) != 2:

    # display command usage
    print("""
    Usage:
        python 4LETTER.scroll.py "message a afficher"
    """)

    # exit with status code error
    exit(1)

# Get message from arguments
message = sys.argv[1]
fourletterphat.scroll_print( message )