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Message from discussion Script to convert UUID to LABEL in fstab?
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Dave Farrance  
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 More options Jun 9 2008, 5:17 pm
Newsgroups: alt.os.linux.mandriva, comp.os.linux.setup, comp.unix.shell
From: Dave Farrance <DaveFarra...@OMiTTHiSyahooANDTHiS.co.uk>
Date: Mon, 09 Jun 2008 21:17:35 GMT
Local: Mon, Jun 9 2008 5:17 pm
Subject: Re: Script to convert UUID to LABEL in fstab?
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Dave Farrance <DaveFarra...@OMiTTHiSyahooANDTHiS.co.uk> wrote:
>Has anybody already written a script to convert UUID to LABEL identifiers
>in a file?  To save me duplicating the effort?

Done.  The file to be converted is the command line parameter.  The new
file is created with a .new suffix added.

I've found that commands like findfs and blkid must be recent versions if
they are to handle non-linux partitions like ntfs OK.

#!/bin/bash
[[ $(whoami) != root ]] && echo "Must be root" && exit
[[ ! -r $1 ]] && echo "Can't read $1" && exit
cp /dev/null $1.new
while read line; do
  if [[ "$line" == *UUID=* ]]; then
    uuid1=${line#*UUID=}
    uuid=${uuid1%%[[:blank:]]*}
    dev=$(findfs UUID="$uuid")
    label=$(vol_id -l "$dev")
    [[ -n "$label" ]] && line=${line//UUID=$uuid/LABEL=$label}
  fi
  echo $line >>$1.new
done < $1

--
Dave Farrance


 
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