#!/bin/bash
  
  # Copyright 2012 Vassil Panayotov
  # Apache 2.0
  
  # Downloads and extracts the data from VoxForge website
  
  # defines the "DATA_ROOT" variable - the location to store data 
  source ./path.sh
  
  DATA_SRC="http://www.repository.voxforge1.org/downloads/SpeechCorpus/Trunk/Audio/Main/16kHz_16bit"
  DATA_TGZ=${DATA_ROOT}/tgz
  DATA_EXTRACT=${DATA_ROOT}/extracted
  
  source utils/parse_options.sh
  
  mkdir -p ${DATA_TGZ} 2>/dev/null
  
  # Check if the executables needed for this script are present in the system
  command -v wget >/dev/null 2>&1 ||\
   { echo "\"wget\" is needed but not found"'!'; exit 1; }
  
  echo "--- Starting VoxForge data download (may take some time) ..."
  wget -P ${DATA_TGZ} -l 1 -N -nd -c -e robots=off -A tgz -r -np ${DATA_SRC} || \
   { echo "WGET error"'!' ; exit 1 ; }
   
  mkdir -p ${DATA_EXTRACT}
  
  echo "--- Starting VoxForge archives extraction ..."
  for a in ${DATA_TGZ}/*.tgz; do
    tar -C ${DATA_EXTRACT} -xf $a
  done