IFS=':' 
while read A B
do 
  FILE=${A/\//-} 
  TEXT=${B/\*\./}
  printf "%s ---- %s\n" $FILE $TEXT
  convert text-x-generic.png -gravity center -pointsize 70 -stroke '#444' -strokewidth 2 -annotate -15 "$TEXT" -fill '#ff0' -annotate -15 "$TEXT" output/$FILE.png
done < /usr/share/mime/globs