init

apply_margin.lua

@@ -0,0 +1,16 @@
+#!/usr/bin/env luajit
+local a, b = arg[1], arg[2]
+
+local file = io.open(b, "w")
+assert(file, "Couldn't open \"" .. b .. "\"")
+
+for line in io.lines(a) do
+  if not (line:sub(3, 3) == ":") then
+    file:write(string.rep(" ", 6))
+  end
+
+  file:write(line)
+  file:write("\n")
+end
+
+file:close()