gawk control with board-mechanismen WINDOWS-like MediaName see mount line

[oss]

Hello,

if there any bug or what i make wrong ?
I think, this is a typically bug within spaces in the command, or ...
The question is: How can i made better ?

Cincerally
Oskar Schömig

o...@linux-hkus:~$ ~/bin/myupdatedb
PROC=myupdatedb
MEDIA_NAME=media/LM 10 2010
DOING: sudo updatedb --prunepaths='media/LM 10 2010'
updatedb: invalid option 10
Usage: /usr/bin/updatedb [--findoptions='-option1 -option2...']
       [--localpaths='dir1 dir2...'] [--netpaths='dir1 dir2...']
       [--prunepaths='dir1 dir2...'] [--prunefs='fs1 fs2...']
       [--output=dbfile] [--netuser=user] [--localuser=user]
       [--old-format] [--dbformat] [--version] [--help]

Report bugs to <bug-findutils@gnu.org>.
o...@linux-hkus:~$
o...@linux-hkus:~$ nl ~/bin/myupdatedb
     1  #!/bin/bash
     2  PROC="$(basename $0)"
     3  echo PROC=$PROC
     4  AWK="$(which gawk)"
      
     5  if [ -d /media/KINGSTON ]; then
     6     sudo updatedb --prunepaths='/media/KINGSTON'
     7  else
     8     mount | grep media 1>&2>/dev/null
     9     if [ $? = 0 ]; then
    10        MEDIA_NAME="$(mount | awk '{if(match($0,/media[A-Za-z0-9/
]+type/)) printf("%s\n", substr($0,RSTART,RLENGTH-5))}')"
    11        echo MEDIA_NAME=$MEDIA_NAME
    12        cmd_string="$(echo sudo updatedb
--prunepaths=\'${MEDIA_NAME}\')"
    13        echo "DOING: $cmd_string"
    14        exec $cmd_string
    15     else
    16        sudo updatedb
    17     fi
    18  fi
      
      
o...@linux-hkus:~$