# File lib/eventmachine.rb, line 1260 def self.watch_file(filename, handler=nil, *args) klass = klass_from_handler(FileWatch, handler, *args) s = EM::watch_filename(filename) c = klass.new s, *args # we have to set the path like this because of how Connection.new works c.instance_variable_set("@path", filename) @conns[s] = c block_given? and yield c c end