Add utility scripts

scripts/subber.py

@@ -0,0 +1,14 @@
+from string import Template
+
+
+class Subber():
+
+    def __init__(self, subs):
+        self.subs = subs
+
+    def sub(self, infile, outfile):
+        with open(infile) as template:
+            lines = template.readlines()
+            data = ''.join(lines)
+
+        outfile.write(Template(data).safe_substitute(self.subs))