#!/bin/bash
  
  # Copyright 2017 John Morgan
  # Apache 2.0.
  
  tmpdir=data/local/tmp
  download_dir=$(pwd)
  mkdir -p $download_dir
  subs_src=$1
  
  # download the subs corpus
  if [ ! -f $download_dir/subs.zip ]; then
    wget -O $download_dir/subs.zip $subs_src
    (
      cd $download_dir
      unzip subs.zip
    )
    else
      echo "$0: subs file already downloaded."
  fi