fi
  ${im_cmd} -thumbnail ${image_size} ${tmp_png_file} "${output_file}"
  rm -f ${tmp_png_prefix}*png
elif [[ x"${cmd_type}" = "xsvg" ]] ; then
  check_command rsvg-convert
  target_file=$(echo "$url" | sed -e "s#^file:/*#/#g")
  rsvg-convert -w 100 -h 100 --keep-aspect-ratio "${target_file}" -o "${output_file}"
elif [[ x"${cmd_type}" = "ximage" ]] ; then
  im_cmd=$(get_imagemagick_cmd)
  if [[ -z "${im_cmd}" ]] ; then