Simple OSX notification API fish script

notifier.fish

function notifier
    switch (count $argv)
        case 0 1
            echo "Usage: notifier [notification message] [title] [subitle]"
        case 2
            set notification "display notification \"$argv[1]\" with title \"$argv[2]\""
            osascript -e $notification
        case 3
            set notification "display notification \"$argv[1]\" with title \"$argv[2]\" subtitle \"$argv[3]\""
            osascript -e $notification
        #case 4 #audio
    end
end