# File daybook/mycgi/daybook/base/daybook_mod.rb, line 47
  def m_log_write_file(path_file, str)
    begin
      open(path_file, "a+") do |w|
      w.print str
      end
    rescue SystemCallError
      #print "Content-Type: text/html\n\n"
      $stderr.print "IO failes: " + $!
      raise
    end
  end