#!/bin/bash
  
  min_lmwt=7
  max_lmwt=17
  word_ins_penalty=0.0,0.5,1.0
  
  set -e
  . ./cmd.sh
  . ./path.sh
  . ./utils/parse_options.sh
  
  decode_dir=$1
  test_para=$decode_dir/scoring_kaldi/test_filt_para.txt
  
  cat $decode_dir/scoring_kaldi/test_filt.txt | \
    local/combine_line_txt_to_paragraph.py > $test_para
  
  for wip in $(echo $word_ins_penalty | sed 's/,/ /g'); do
    for LMWT in $(seq $min_lmwt $max_lmwt); do
        mkdir -p $decode_dir/para/penalty_$wip
        cat $decode_dir/scoring_kaldi/penalty_$wip/$LMWT.txt | \
        local/combine_line_txt_to_paragraph.py > $decode_dir/para/penalty_$wip/$LMWT.txt
    done
  done
  
  for wip in $(echo $word_ins_penalty | sed 's/,/ /g'); do
    for LMWT in $(seq $min_lmwt $max_lmwt); do
        compute-wer --text --mode=present \
        ark:$test_para ark:$decode_dir/para/penalty_$wip/$LMWT.txt &> $decode_dir/para/wer_${LMWT}_${wip} || exit 1;
    done
  done
  
  for wip in $(echo $word_ins_penalty | sed 's/,/ /g'); do
    for lmwt in $(seq $min_lmwt $max_lmwt); do
      # adding /dev/null to the command list below forces grep to output the filename
      grep WER $decode_dir/para/wer_${lmwt}_${wip} /dev/null
    done
  done | utils/best_wer.sh  >& $decode_dir/para/best_wer || exit 1