title: Importing Functions into Current Namespace
body: <p>Let's say I have an R source file comprised of some functions, doesn't matter what they are, e.g.,</p>
  
  <pre><code>fnx = function(x){(x - mean(x))/sd(x)}
  </code></pre>
  
  <p>I would like to be able to access them in my current R session (without typing them in obviously). It would be nice if library("/path/to/file/my_fn_lib1.r") worked, as "import" works in Python, but it doesn't. One obvious solution is to create an R Package, but i want to avoid that overhead just to import a few functions.</p>