timers_test.rb

require 'timers'

timers_scan = Timers::Group.new
scan=[3.0]
scan_started=[]

sleep_time=4.0
last_time=Time.now.to_f
loop {

scan.each do |v|
#if timers_scan.all? { |timer| timer.interval!=v }

if !scan_started.include? v
  scan_started<<v
  timers_scan.every(v) do
      sleep(sleep_time)
      puts "SCAN #{v} segundos - #{Time.now.to_f-last_time} -- #{sleep_time} s.".red
      sleep_time=sleep_time-0.5 unless sleep_time==0
      last_time=Time.now.to_f
  end
end
end

timers_scan.wait
}