title: Lua: How to take only certain functions from the library?
body: <p>I have library file service_functions.lua. There are hundreds of functions in it.</p>
  <pre><code>function foo1()
  ------------
  end
  
  function foo2()
  ------------
  end
  </code></pre>
  <p>and so on</p>
  <p>I don't want to load all functions.<br />
  Now I do:</p>
  <pre><code>dofile(script_path..&quot;\\service_functions.lua&quot;)
  </code></pre>
  <p>and get all of them.<br />
  How to get only specific functions?</p>