getfontdirs()
{
for i in /etc/X11/xorg.conf-4 /etc/X11/xorg.conf /etc/xorg.conf
do
 if [[ -a "${i}" && -f "${i}" ]]; then
  grep -v "^#" ${i} | while read a b c d
  do
   if [ "${a}" = "FontPath" ]; then
    g=${b#\"}
    f=${g%\"}
    echo ${f%:unscaled}fonts.dir 
   fi
  done
  return
 fi
done
}
getfontdirs | sort | uniq | while read i
do
 if [[ -a "${i}" && -f "${i}" ]]; then
  echo $i
 fi
done