tobi · March 22, 2012 16:36 · Mar 22, 2012
diff --git a/forever.rb b/forever.rb
@@ -0,0 +1,37 @@
+trap("INT") { $done = true }
+
+class Forever
+
+  def every(timespan, &block)
+    @threads ||= []
+
+    thread = Thread.new do 
+      last_run = 0
+      while !$done
+        now = Time.now.to_i
+        if now - last_run > timespan
+          block.call  
+          last_run = now
+        end
+        sleep 1
+      end
+    end
+
+    @threads.push(thread)
+  end
+
+  def run
+    @threads.collect(&:join)
+  end
+
+end
+
+require 'rubygems'
+require 'active_support/all'
+
+forever = Forever.new
+forever.every 5.seconds do
+  puts 'still running'
+end 
+
+forever.run