Categorize files based on the first letter

e/Eiffel.eiff

@@ -0,0 +1,18 @@
+indexing "Hello World in Eiffel , from http://roesler-ac.de/wolfram/hello.htm#Eiffel"
+
+class HELLO
+
+creation
+	run
+
+feature
+
+	run is
+		local
+			io : BASIC_IO;
+		do
+			!!io;
+			io.put_string("Hello World!");
+			io.put_newline
+		end; -- run
+end; -- class HELLO

e/erlang_hw.erl

@@ -0,0 +1,5 @@
+-module(erlang_hw).
+-export([start/0]).
+
+start() ->
+  io:format("Hello World~n").