343 lines
13 KiB
Prolog
343 lines
13 KiB
Prolog
%%% -*- Mode: Prolog; -*-
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% $Date: 2011-11-28 14:41:26 +0100 (Mon, 28 Nov 2011) $
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% $Revision: 6764 $
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%
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% This file is part of ProbLog
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% http://dtai.cs.kuleuven.be/problog
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%
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% ProbLog was developed at Katholieke Universiteit Leuven
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%
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% Copyright 2008, 2009, 2010
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% Katholieke Universiteit Leuven
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%
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% Main authors of this file:
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% Theofrastos Mantadelis, Bernd Gutmann
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%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% Artistic License 2.0
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%
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% Copyright (c) 2000-2006, The Perl Foundation.
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%
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% Everyone is permitted to copy and distribute verbatim copies of this
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% license document, but changing it is not allowed. Preamble
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%
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% This license establishes the terms under which a given free software
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% Package may be copied, modified, distributed, and/or
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% redistributed. The intent is that the Copyright Holder maintains some
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% artistic control over the development of that Package while still
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% keeping the Package available as open source and free software.
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%
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% You are always permitted to make arrangements wholly outside of this
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% license directly with the Copyright Holder of a given Package. If the
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% terms of this license do not permit the full use that you propose to
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% make of the Package, you should contact the Copyright Holder and seek
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% a different licensing arrangement. Definitions
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%
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% "Copyright Holder" means the individual(s) or organization(s) named in
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% the copyright notice for the entire Package.
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% "Contributor" means any party that has contributed code or other
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% procedures.
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% "You" and "your" means any person who would like to copy, distribute,
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% "Package" means the collection of files distributed by the Copyright
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% given Package may consist of either the Standard Version, or a
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% Modified Version.
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% "Distribute" means providing a copy of the Package or making it
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% accessible to anyone else, or in the case of a company or
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% "Distributor Fee" means any fee that you charge for Distributing this
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% does not mean licensing fees.
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% "Compiled" form means the compiled bytecode, object code, binary, or
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% any other form resulting from mechanical transformation or translation
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%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% Permission for Use and Modification Without Distribution
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%
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% (1) You are permitted to use the Standard Version and create and use
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% Modified Versions for any purpose without restriction, provided that
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% you do not Distribute the Modified Version.
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% Standard Version of this Package in any medium without restriction,
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% either gratis or for a Distributor Fee, provided that you duplicate
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% all of the original copyright notices and associated disclaimers. At
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% your discretion, such verbatim copies may or may not include a
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% modifications made available from the Copyright Holder. The resulting
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% Package will still be considered the Standard Version, and as such
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% will be subject to the Original License.
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% Distribution of Modified Versions of the Package as Source
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% (4) You may Distribute your Modified Version as Source (either gratis
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% or for a Distributor Fee, and with or without a Compiled form of the
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% Modified Version) provided that you clearly document how it differs
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% you do at least ONE of the following:
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% Holder may include your modifications in the Standard Version. (b)
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% ensure that installation of your Modified Version does not prevent the
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% modified Version must bear a name that is different from the name of
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% the Standard Version. (c) allow anyone who receives a copy of the
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% Modified Version to make the Source form of the Modified Version
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% Modified Version, and of any works derived from it, be made freely
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% allowed.
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%
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% Distribution of Compiled Forms of the Standard Version or
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% Modified Versions without the Source
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% (5) You may Distribute Compiled forms of the Standard Version without
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% the Source, provided that you include complete instructions on how to
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% get the Source of the Standard Version. Such instructions must be
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% within thirty days after you become aware that the instructions are
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% invalid, then you do not forfeit any of your rights under this
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% license.
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% (6) You may Distribute a Modified Version in Compiled form without the
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% Source, provided that you comply with Section 4 with respect to the
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% Source of the Modified Version.
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% merely extend or make use of the Package, do not, by themselves, cause
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% the Package to be a Modified Version. In addition, such works are not
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% considered parts of the Package itself, and are not subject to the
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% terms of this license.
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%
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% General Provisions
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%
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% (10) Any use, modification, and distribution of the Standard or
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% Modified Versions is governed by this Artistic License. By using,
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% modifying or distributing the Package, you accept this license. Do not
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% use, modify, or distribute the Package, if you do not accept this
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% license.
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%
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% (11) If your Modified Version has been derived from a Modified Version
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% made by someone other than you, you are nevertheless required to
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% ensure that your Modified Version complies with the requirements of
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% this license.
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%
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% (12) This license does not grant you the right to use any trademark,
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% service mark, tradename, or logo of the Copyright Holder.
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%
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% (13) This license includes the non-exclusive, worldwide,
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% free-of-charge patent license to make, have made, use, offer to sell,
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% sell, import and otherwise transfer the Package with respect to any
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% patent claims licensable by the Copyright Holder that are necessarily
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% (including a cross-claim or counterclaim) against any party alleging
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% that the Package constitutes direct or contributory patent
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% infringement, then this Artistic License to you shall terminate on the
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% date that such litigation is filed.
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%
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% (14) Disclaimer of Warranty: THE PACKAGE IS PROVIDED BY THE COPYRIGHT
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% HOLDER AND CONTRIBUTORS "AS IS' AND WITHOUT ANY EXPRESS OR IMPLIED
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% WARRANTIES. THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
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% PARTICULAR PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED TO THE EXTENT
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% PERMITTED BY YOUR LOCAL LAW. UNLESS REQUIRED BY LAW, NO COPYRIGHT
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% HOLDER OR CONTRIBUTOR WILL BE LIABLE FOR ANY DIRECT, INDIRECT,
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% INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING IN ANY WAY OUT OF THE USE
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% OF THE PACKAGE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%%%%%%%%
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% Collected OS depended instructions
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%%%%%%%%
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:- module(os, [set_problog_path/1,
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problog_path/1,
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convert_filename_to_working_path/2,
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convert_filename_to_problog_path/2,
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concat_path_with_filename/3,
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concat_path_with_filename2/3,
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split_path_file/3,
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check_existance/1,
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calc_md5/2]).
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% load library modules
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:- use_module(library(system), [exec/3, file_exists/1,wait/2, md5/3]).
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:- use_module(library(lists), [memberchk/2]).
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:- yap_flag(arithmetic_exceptions, false).
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% load our own modules
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:- use_module(gflags, _, [flag_get/2]).
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:- dynamic(problog_path/1).
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:- dynamic(problog_working_path/1).
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%========================================================================
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%=
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%=
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%=
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%========================================================================
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set_problog_path( _Path):-
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retractall(problog_path(_)),
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current_prolog_flag( executable, YAP ),
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file_directory_name(YAP, P1),
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current_prolog_flag( home, ROOT ),
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atom_concat(ROOT, '/bin', P2),
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getenv('PATH',Dirs),
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path_grouping( PathSep ),
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atomic_list_concat( LPaths, PathSep, Dirs),
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set_problog_paths( [P1,P2| LPaths] ),
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fail.
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set_problog_path(Path):-
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path_separator( S ),
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sub_atom(Path, _, 1, 0, S), !,
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sub_atom(Path, _, _, 1, Path0),
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asserta(problog_path(Path0)).
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set_problog_path(Path):-
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asserta(problog_path(Path)).
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set_problog_paths( [Path|Paths] ) :-
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assertz(problog_path(Path)),
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set_problog_paths( Paths ).
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set_problog_paths( [] ).
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%========================================================================
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%=
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%=
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%=
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%========================================================================
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convert_filename_to_working_path(File_Name, Path):-
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flag_get(dir, Dir),
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concat_path_with_filename(Dir, File_Name, Path).
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convert_filename_to_problog_path(File_Name, Path):-
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problog_path(Dir),
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concat_path_with_filename(Dir, File_Name, Path),
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catch(file_exists(Path), _, fail).
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%========================================================================
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%=
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%=
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%=
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%========================================================================
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concat_path_with_filename(Path, File_Name, Result):-
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path_separator(Path_Seperator),
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atomic_list_concat([Path, Path_Seperator, File_Name], Result).
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%========================================================================
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%= Calculate the MD5 checksum of +Filename by calling md5sum
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%= in case m5sum is not installed, try md5, otherwise fail
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%= +Filename, -MD5
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%========================================================================
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calc_md5(Filename,MD5):-
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catch(calc_md5_intern(Filename,MD5),_,fail),
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!.
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calc_md5(Filename,MD5):-
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throw(md5error(calc_md5(Filename,MD5))).
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calc_md5_intern(Filename,MD5) :-
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( file_exists(Filename) -> true ; throw(md5_file(Filename)) ),
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file_to_codes(Filename, S, []),
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md5( S, MD5, [] ),
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format('~s => ~s~n', [S,MD5]).
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file_to_codes( F, Codes, LF ) :-
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open(F, read, S),
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get_codes( S, Codes, LF),
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close(S).
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get_codes(S, [C|L], LF) :-
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get_code(S, C),
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C \= -1,
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!,
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get_codes(S, L, LF).
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get_codes(_, LF, LF).
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%========================================================================
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%=
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%=
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%=
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%========================================================================
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check_existance(FileName):-
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convert_filename_to_problog_path(FileName, Path),
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catch(file_exists(Path), _, fail), !.
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check_existance(FileName):-
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problog_path(PD),
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write(user_error, 'WARNING: Can not find file: '), write(user_error, FileName),
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write(user_error, ', please place file in problog path: '), write(user_error, PD), nl(user_error).
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path_grouping(PathSep) :-
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( current_prolog_flag( windows, true ) -> PathSep = ';' ; PathSep = ':' ).
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path_separator('\\') :-
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current_prolog_flag( windows, true ).
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path_separator('/').
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