Feature-extractor

usage: ./liner2-cli feature-extractor [options]
 -f,--input_file <filename>    path to a file to read
 -F,--features <features>      a file with a list of features
 -i,--input_format <format>    input format [iob, ccl, plain, plain:maca, plain:wcrft, tei,
                               batch:{format}]
 -m,--malt <malt>              path to maltparser model
 -p,--patterns <patterns>      path to file with patterns
 -t,--output_file <filename>   path to an output file
 -v,--verbose                  print help