gistfile1.ex

defmodule MyMacro do
  defmacro do_something(query) do
    quote do
      args = String.split(unquote(query))
      fun = fn(arg) -> IO.inspect var!(unquote(binary_to_atom(arg))) end
      Enum.each args, fun
    end
  end
end

defmodule Test do
  require MyMacro
  wibble = 123
  wobble = abc
  MyMacro.do_something("wibble wobble")
end