#!/bin/bash
  # Copyright 2012  Johns Hopkins University (Author: Daniel Povey)
  # Apache 2.0
  
  [ -f ./path.sh ] && . ./path.sh
  
  # begin configuration section.
  cmd=run.pl
  min_lmwt=7
  max_lmwt=19
  #end configuration section.
  
  [ -f ./path.sh ] && . ./path.sh
  . parse_options.sh || exit 1;
  
  if [ $# -ne 3 ]; then
    echo "Usage: local/score.sh [--cmd (run.pl|queue.pl...)] <data-dir> <lang-dir|graph-dir> <decode-dir>"
    echo " Options:"
    echo "    --cmd (run.pl|queue.pl...)      # specify how to run the sub-processes."
    echo "    --min-lmwt <int>                # minumum LM-weight for lattice rescoring "
    echo "    --max-lmwt <int>                # maximum LM-weight for lattice rescoring "
    exit 1;
  fi
  
  data=$1
  lang_or_graph=$2
  dir=$3
  
  symtab=$lang_or_graph/words.txt
  
  for f in $symtab $dir/lat.1.gz $data/text; do
    [ ! -f $f ] && echo "score.sh: no such file $f" && exit 1;
  done
  
  mkdir -p $dir/scoring/log
  
  $cmd LMWT=$min_lmwt:$max_lmwt $dir/scoring/log/best_path.LMWT.log \
    lattice-best-path --lm-scale=LMWT --word-symbol-table=$symtab \
      "ark:gunzip -c $dir/lat.*.gz|" ark,t:$dir/scoring/LMWT.tra || exit 1;
  
  # Note: the double level of quoting for the sed command
  $cmd LMWT=$min_lmwt:$max_lmwt $dir/scoring/log/score.LMWT.log \
     cat $dir/scoring/LMWT.tra \| \
      utils/int2sym.pl -f 2- $symtab \| sed 's:\<UNK\>::g' \| \
      compute-wer --text --mode=present \
       ark:$data/text ark,p:- ">&" $dir/wer_LMWT || exit 1;
  
  exit 0;