cleaning two hard disks filtering by file extensions

cleaning_by_extension.sh

#!/bin/bash

TIPOS="txt png jpg swf mkv mp4 avi mov xml mp3 ogg cab bat mpg tib cr2 exe"
DISCOS="5TbWDBlack lacie5tbusbc"                                                

for DISCO in $DISCOS; do
  echo "creando directorio final en $DISCO"
  mkdir -p /media/diego/$DISCO/final
  echo "procesando $DISCO"
  for TIPO in $TIPOS ; do
    echo " - procesando $TIPO"
    case $TIPO in
      mkv | mp4 | avi | mov ) 
       find /media/diego/$DISCO -type f -name *.$TIPO -exec mv {} /media/diego/$DISCO/final \;
       ;;
      xml | mp3 | ogg | cab | bat | mpg | tib | cr2 | exe )
       find /media/diego/$DISCO -type f -name *.$TIPO -exec rm {} \;
       ;;
      * ) echo "NOP" ;;
    esac
  done
done

exit 0