functional_basic_daemon.rb

#!/usr/bin/env ruby

require 'rubygems'
require 'basic_daemon'

basedir = "/tmp" 

d = BasicDaemon.new

# for restarts to work properly, you can't use anonymous blocks. In other
# words, blocks have to be assigned to a variable
process = Proc.new do
  i = 1
  foo = open(basedir + "/out", "w")

  while true do
    foo.puts "loop: #{i}"
    foo.flush
    sleep 2

    i += 1
  end
end

if ARGV[0] == 'start'
  d.start &process
elsif ARGV[0] == 'stop'
  d.stop
  exit!
elsif ARGV[0] == 'restart'
  d.restart &process
else
  STDERR.puts "wrong! Use start, stop, or restart."
  exit!
end

exit