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-rw-r--r--system/doc/extensions/mexpand.erl16
1 files changed, 16 insertions, 0 deletions
diff --git a/system/doc/extensions/mexpand.erl b/system/doc/extensions/mexpand.erl
new file mode 100644
index 0000000000..261f99da46
--- /dev/null
+++ b/system/doc/extensions/mexpand.erl
@@ -0,0 +1,16 @@
+-module(mexpand).
+
+-export([file/1]).
+
+-import(lists, [foreach/2]).
+
+file(File) ->
+ case epp:parse_file(File ++ ".erl", [],[]) of
+ {ok, L} ->
+ {ok, Stream} = file:open(File ++ ".out", write),
+ foreach(fun(X) ->
+ io:format(Stream,"~s~n",
+ [erl_pp:form(X)])
+ end, L),
+ file:close(Stream)
+ end.