diff --git a/pier.py b/pier.py
index 08e4067..701234f 100755
--- a/pier.py
+++ b/pier.py
@@ -45,12 +45,16 @@ class ScriptServer(http.server.SimpleHTTPRequestHandler):
 def run_script(fn):
     sio = StringIO()
     with redirect_stdout(sio), redirect_stderr(sio):
-        with open(fn) as f:
-            src = f.read()
-            code = compile(src, fn, "exec")
-            exec(code)
+        code = open_script(fn)
+        exec(code)
     return sio.getvalue()
 
+def open_script(fn):
+    with open(fn) as f:
+        src = f.read()
+    code = compile(src, fn, "exec")
+    return code
+
 def encode_html(*msg):
     msg = (str(i) for i in msg)
     msg = " ".join(msg)