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diff --git a/modules/erl/euphorik_common.erl b/modules/erl/euphorik_common.erl
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+% coding: utf-8
+% Copyright 2008 Grégory Burri
+%
+% This file is part of Euphorik.
+%
+% Euphorik is free software: you can redistribute it and/or modify
+% it under the terms of the GNU General Public License as published by
+% the Free Software Foundation, either version 3 of the License, or
+% (at your option) any later version.
+%
+% Euphorik is distributed in the hope that it will be useful,
+% but WITHOUT ANY WARRANTY; without even the implied warranty of
+% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+% GNU General Public License for more details.
+%
+% You should have received a copy of the GNU General Public License
+% along with Euphorik.  If not, see <http://www.gnu.org/licenses/>.
+% 
+% Module avec plein de bordel utile à l'intérieur
+% @author G.Burri
+
+-module(euphorik_common).
+-export([serialize_ip/1, unserialize_ip/1]).
+
+
+serialize_ip(undefined) ->
+   "<unknown IP>";
+serialize_ip(IP) ->
+   lists:flatten(io_lib:format("~w.~w.~w.~w", tuple_to_list(IP))).
+   
+   
+unserialize_ip(IP) ->
+   case io_lib:fread("~d.~d.~d.~d", IP) of
+      {ok, [A, B, C, D], []} -> {A, B, C, D};
+      _  -> erreur
+   end.