blob: f7b1e731378426965c41a1060d52e83e7dc9ad72 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
#! /usr/local/bin/ruby
require "thread"
require "observer"
class Tick
include Observable
def initialize
Thread.start do
while TRUE
sleep 0.999
changed
notify_observers(Time.now.strftime("%H:%M:%S"))
end
end
end
end
class Clock
def initialize
@tick = Tick.new
@tick.add_observer(self)
end
def update(time)
print "\e[8D", time
STDOUT.flush
end
end
clock = Clock.new
sleep
|