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+%% ``The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved via the world wide web at http://www.erlang.org/.
+%% 
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%% 
+%% The Initial Developer of the Original Code is Ericsson Utvecklings AB.
+%% Portions created by Ericsson are Copyright 1999, Ericsson Utvecklings
+%% AB. All Rights Reserved.''
+%% 
+%%     $Id$
+%%
+-module(all).
+
+%% User interface
+-export([run/0]).
+
+%% Interna constants
+-define(NORMAL, 0).
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%% 	Interface 
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+%%---------------------------------------------------------------------------
+%% run() -> _
+%%	
+%% Runs all benchmark modules in the current directory on all erlang
+%% installations specified by releases/0
+%%---------------------------------------------------------------------------
+run() ->
+    %% Delete previous intermediate test result files.
+    lists:foreach(fun(F) -> file:delete(F) end, filelib:wildcard("*.bmres")),
+    lists:foreach(fun run/1, releases()).
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%% 	Internal functions
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+%%---------------------------------------------------------------------------
+%% run(Release) -> _
+%%	Release = string() - Erlang release 	
+%% Help functions to run/0
+%%---------------------------------------------------------------------------
+run(Release) -> 
+    command(Release ++ " -noshell -compile bench -s erlang halt"),
+    command(Release ++ " -noshell -s bench run -s erlang halt").
+%%---------------------------------------------------------------------------
+%% command(Command) -> _
+%%	Command = string() - is the name and arguments of the external 
+%%                           program which will be run
+%%---------------------------------------------------------------------------
+command(Command) ->
+    io:format("~s\n", [Command]),  % Progress info to user
+    Port = open_port({spawn,Command}, [exit_status, in]), 
+    print_output(Port).
+%%---------------------------------------------------------------------------
+%% print_output(Port) -> _
+%%	Port = port()	
+%% Print data from the port i.e. output from external program,
+%% on standard out.
+%%---------------------------------------------------------------------------
+print_output(Port) ->
+    receive
+	{Port, {data,Bytes}} ->
+	    io:put_chars(Bytes),
+	    print_output(Port);
+	{Port, {exit_status, ?NORMAL}} ->
+	    ok
+    end.
+%%---------------------------------------------------------------------------
+%% run() -> Releases
+%%	Releases = [Release |_]
+%%      Release = string() - Erlang release  
+%% Defines which erlang releases to run on
+%%  --- Change this function to reflect your own erlang installations ---
+%%---------------------------------------------------------------------------
+releases() ->
+    ["/usr/local/otp/releases/otp_beam_sunos5_r7b01_patched/bin/erl",
+     "/usr/local/otp/releases/otp_beam_sunos5_r8b_patched/bin/erl"].
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