Un-/Mount multible devices

#!/bin/bash

# - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# A simple u/mount devices script. Fast written for my
# Backupserver. Shurely not the best one but it works (=
#
# If you got problems with this one, send me a PM/Mail
# ([email protected]).
# Feel free to change the functionnames to whatever.
#
# Have fun.
#
# p.s. excuse my bad english ...
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

    # text formations
  fat='\e[1m'
  nf='\e[0m'

# u/mount:
    # the names under which the devices will be mounted
    # it also sets the loops break
    # so 5 devices mean 'loop five times' ... er, you got it
  DEVICE_NAME=(some names here)

    # the filesystems
  FS_TYPE=(btrfs ext4 ext3)

    # path of the devices
  DEVICE=(/dev/sda /dev/sdb /dev/sdc)

    # path where they will be mounted
    # unset for root path (may a bad idea)
  DEVICE_PATH=(/var/ftp/miranda /home/yokmp/Share /home/yokmp/Backup)

# here comes the magical mount thingy
function mftp()
{
  echo -e "\n\t${fat}Mounting:${nf}"

  for (( i=0 ; i<=${#DEVICE_NAME[@]} ; i++ )); do

    [ $i -eq ${#DEVICE_NAME[@]} ] && break

    echo -e "\n\tMount ${fat}${DEVICE_PATH[$i]}/${DEVICE_NAME[$i]}/ ${nf} ..."
    echo -e "\t${fat}${DEVICE[$i]} - (${FS_TYPE[$i]})${nf}"

    mount -t ${FS_TYPE[$i]} ${DEVICE[$i]} ${DEVICE_PATH[$i]}/${DEVICE_NAME[$i]}

    [ $? -ne 0 ] && fuser -vu ${DEVICE_PATH[$i]}/${DEVICE_NAME[$i]}

  done

  echo -e "\n\t${fat}Done!${nf}\n"
}

# the same as above but in 'reverse mode' ^^
function uftp()
{
  echo -e "\n\t${fat}Unmounting:${nf}"

  for (( i=0 ; i<=${#DEVICE_NAME[@]} ; i++ )); do

    [ $i -eq ${#DEVICE_NAME[@]} ] && break

    echo -e "\n\tUnmount ${fat}${DEVICE_PATH[$i]}/${DEVICE_NAME[$i]}/ ${nf} ..."
    echo -e "\t${fat}${DEVICE[$i]} - (${FS_TYPE[$i]})${nf}"

    umount ${DEVICE_PATH[$i]}/${DEVICE_NAME[$i]}

    [ $? -ne 0 ] && fuser -vu ${DEVICE_PATH[$i]}/${DEVICE_NAME[$i]} && break

  done

  echo -e "\n\t${fat}Done!${nf}\n"
}