开始一些过程，然后在Sinatra上重定向回（即使过程仍在运行）

get \"/run\" do
  exec \"ruby #{\"/home/user/script.rb\"} &\"
  redirect \'/\'
end

get \"/run\" do

    task = Thread.new { 
        p \"sleeping for 10 secs\"
        sleep(10)
        p \"woke up :)\"

    }

    redirect \'/\'
end

require \'rubygems\'
require \'sinatra\'

get \"/\" do
  \"index\"
end

get \"/run\" do
  Process.detach(fork{ exec \"ruby script.rb &\"})    
  redirect \'/\'
end

p \"sleeping for 10 secs\"
sleep(10)
p \"woke up :)\"