_filepro_download_folder() {
    if [ "$#" -eq 0 ]; then
      echo "Usage: <input string>"
      exit 1
    fi

    local tmp_index
    tmp_index=$(mktemp)
    local tmp_dir
    tmp_dir="$1"

    local LINE
    local LINE_ID
    local LINE_TITLE
    local LINE_TYPE

  wget --no-check-certificate --user-agent="$WGET_UA" "$2" -O "$tmp_index" --no-hsts -q
  echo "Looking in folder $3/$LINE_ID"
  echo "Download to $tmp_dir/"
  while IFS= read -r LINE; do
    LINE_ID=$(echo $LINE | sed 's/.*data-id="\([^"]*\)".*/\1/g')
    LINE_TITLE=$(echo $LINE | sed 's/.*data-title="\([^"]*\)".*/\1/g' | sed 's/&amp;/\&/g' | sed 's/&#039;/'\''/g' | sed 's/&#39;/'\''/g')
    LINE_TYPE=$(echo $LINE | sed 's/.*data-type="\([^"]*\)".*/\1/g')
    if [[ "$LINE_TYPE" == "document" ]]; then
      echo "Found document: $LINE_ID : $LINE_TITLE.pdf... downloading..."
      mkdir -p "$tmp_dir"
      _utils_download_helper "${START_URL}/document/$LINE_ID" "$tmp_dir/$LINE_TITLE.pdf"
    elif [[ "$LINE_TYPE" == "folder" ]]; then
      _filepro_download_folder "$tmp_dir/$LINE_TITLE" "${START_URL}/filepro/documents/$LINE_ID" "$3/$LINE_ID"
    fi
  done  < "$tmp_index"

  rm -f $tmp_index
}