#!/bin/bash -u
  
  # Copyright 2018 John Morgan
  # Apache 2.0.
  
  set -o errexit
  
  [ -f ./path.sh ] && . ./path.sh
  
  if [ ! -d data/local/dict ]; then
    mkdir -p data/local/dict
  fi
  
  l=$1
  export LC_ALL=C
  
  cut -f2- -d " " $l | tr -s '[:space:]' '[
  *]' | grep -v SPN | \
      sort -u | tail -n+2 > data/local/dict/nonsilence_phones.txt
  
  expand -t 1 $l | sort -u | \
      sed "1d" > data/local/dict/lexicon.txt
  
  echo "<UNK> SPN" >> data/local/dict/lexicon.txt
  
  # silence phones, one per line.
  {
      echo SIL;
      echo SPN;
  } \
      > \
      data/local/dict/silence_phones.txt
  
  echo SIL > data/local/dict/optional_silence.txt
  
  # get the phone list from the lexicon file
  (
      tr '
  ' ' ' < data/local/dict/silence_phones.txt;
      echo;
      tr '
  ' ' ' < data/local/dict/nonsilence_phones.txt;
      echo;
  ) >data/local/dict/extra_questions.txt
  
  echo "$0: Finished dictionary preparation."