From: Mark Thomas <mark@...>
Date: 2008-11-05T05:33:29+09:00
Subject: Re: Showing a spinner ?


> a=["-","\\","|","/"]
> n=0
> while 1 do
>     print a[n % 4]
>     print "\b"
>     n+=1
>     sleep 0.1
>     puts "..#{n}." if (n % 50==0)
> end


In ruby 1.9:

n=0
a=["-","\\","|","/"].cycle do |a|
  print a
  print "\b"
  n+=1
  sleep 0.1
  break if (n % 50).zero?
end