Add path.normalize()

src/base/path.lua

@@ -185,6 +185,29 @@
 	end
 
 
+--
+-- Remove any extraneous weirdness from a path, such as double slashes or
+-- leading single dots.
+--
+-- @param p
+--    The path to normalize.
+-- @return
+--    A path known weirdnesses removed.
+--
+
+	function path.normalize(p)
+		-- trim off any leading "./" sequences
+		while p:startswith("./") do
+			p = p:sub(3)
+		end
+
+		-- remove any "//" sequences from path concatenation
+		p = p:gsub("//", "/")
+
+		return p
+	end
+
+
 --
 -- Takes a path which is relative to one location and makes it relative
 -- to another location instead.