PostProcess Answer Sets
This program accepts clingo 4.x and clasp 3.x log files and an ASP script to postprocess the answer sets the log contains. The result is a rewritten log file.
Each answer is assigned a sequence number starting from 1 and it’s atoms are wrapped in the special predicate _as(Term, SequenceNum). The answer sets are replaced with atoms read from a special predicate _pp(Term, SequenceNum).
E.g. adding the atom “a.” to the first answer set in the log could be done with the following ASP script:
% Add "a." to first answer set / model _pp(a, 1). % Pass everything else through _pp(Term, SeqNum) :- _as(Term, SeqNum).
Note that the sequence number does not necessarily correspond to <num> in the “Answer: <num>” line in the input log file; for example when multiple solve calls were used.
pip install --user ppas
ppas <script> <infile> <outfile> [--clingo-bin=<path>, --quiet] ppas -h | --help ppas --version Options: --clingo-bin=<path> Path to clingo binary. --quiet Disable stdout messages. -h --help Show this screen. --version Show version.
Examples are available in the examples/ directory. E.g.:
ppas.py examples/tsp/script.asp examples/tsp/log.txt tsp-processed.txt
MIT. See LICENSE.txt
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