show_usage () {
echo "Usage: $SCRIPTNAME -n number[,number2,number3,...] [text]"
echo "Send a SMS message to the specified recipient number(s). The text to send is either supplied as arguments or read from stdin if no arguments are given."
- echo ""
echo " -n number(s) recipient number(s) - separate multiple numbers by commas"
- echo ""
exit 0
}