321 lines
12 KiB
Prolog
321 lines
12 KiB
Prolog
%%% -*- Mode: Prolog; -*-
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% $Date: 2010-09-29 13:24:43 +0200 (Wed, 29 Sep 2010) $
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% $Revision: 4845 $
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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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% 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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% 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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% keeping the Package available as open source and free software.
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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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% a different licensing arrangement. Definitions
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% Permission for Use and Modification Without Distribution
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% OF THE PACKAGE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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:- module(utils_learning, [empty_bdd_directory/0,
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empty_output_directory/0,
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delete_file_silent/1,
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slice_n/4]).
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% load library modules
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:- use_module(library(lists), [append/3, member/2]).
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:- use_module(library(system), [delete_file/1, directory_files/2, file_exists/1]).
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% load our own modules
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:- use_module(os).
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:- use_module(flags).
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%========================================================================
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%=
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%=
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%========================================================================
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empty_bdd_directory :-
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problog_flag(bdd_directory,Path),
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!,
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atom_codes('query_', PF1), % 'query_*'
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directory_files(Path,List),
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delete_files_with_matching_prefix(List,Path,[PF1]).
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empty_bdd_directory :-
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throw(error(problog_flag_does_not_exist(bdd_directory))).
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%========================================================================
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%=
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%=
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%========================================================================
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empty_output_directory :-
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problog_flag(output_directory,Path),
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!,
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concat_path_with_filename(Path,'log.dat',F1),
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concat_path_with_filename(Path,'out.dat',F2),
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(
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file_exists(F1)
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->
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delete_file_silent(F1);
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true
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),
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(
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file_exists(F2)
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->
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delete_file_silent(F2);
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true
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),
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atom_codes('values_', PF1), % 'values_*_q_*.dat'
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atom_codes('factprobs_', PF2), % 'factprobs_*.pl'
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atom_codes('input_', PF3), % 'input_*.pl'
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atom_codes('trainpredictions_',PF4), % 'trainpredictions_*.pl'
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atom_codes('testpredictions_',PF5), % 'testpredictions_*.pl'
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atom_codes('predictions_',PF6), % 'predictions_*.pl'
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directory_files(Path,List),
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delete_files_with_matching_prefix(List,Path,[PF1,PF2,PF3,PF4,PF5,PF6]).
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empty_output_directory :-
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throw(error(problog_flag_does_not_exist(output_directory))).
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%========================================================================
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%=
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%=
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%========================================================================
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delete_file_silent(File) :-
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file_exists(File),
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delete_file(File),
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!.
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delete_file_silent(_).
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%========================================================================
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%=
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%=
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%========================================================================
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delete_files_with_matching_prefix([],_,_).
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delete_files_with_matching_prefix([Name|T],Path,Prefixes) :-
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atom_codes(Name,NameCode),
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(
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(member(Prefix,Prefixes), append(Prefix,_Suffix,NameCode))
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->
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(
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concat_path_with_filename(Path,Name,F),
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delete_file_silent(F)
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);
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true
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),
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delete_files_with_matching_prefix(T,Path,Prefixes).
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%========================================================================
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%= Split a list into the first n elements and the tail
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%= +List +Integer -Prefix -Residuum
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%========================================================================
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slice_n([],_,[],[]) :-
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!.
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slice_n([H|T],N,[H|T2],T3) :-
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N>0,
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!,
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N2 is N-1,
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slice_n(T,N2,T2,T3).
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slice_n(L,_,[],L).
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