#!/bin/bash
  # Copyright 2012  Johns Hopkins University (Author: Daniel Povey)
  # Apache 2.0
  
  # Copyright 2015  University of Sheffield (Author: Ning Ma)
  # Apache 2.0.
  #
  # This script computes keyword (letter+digit) recognition accuracies across 
  # SNRs for the 1st CHiME challenge
  
  cmd=run.pl
  
  [ -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."
    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 $dir/scoring/log/best_path.log \
    lattice-best-path --word-symbol-table=$symtab \
      "ark:gunzip -c $dir/lat.*.gz|" ark,t:$dir/scoring/trans.int || exit 1;
  
  cat $dir/scoring/trans.int | utils/int2sym.pl -f 2- $symtab \
    | sed 's:\<UNK\>::g;s:<SIL>::g' > $dir/scoring/trans.txt
  
  local/compute_chime1_scores.pl $dir/scoring/trans.txt > $dir/keyword_scores.txt
  
  echo "Scores are available in $dir/keyword_scores.txt"
  cat $dir/keyword_scores.txt
  exit 0;