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ezzetabi

Member

Registered: 2006-08-27

Posts: 947

Check is the just burned CD is ok or not.

#!/bin/bash

if [ "$#" -ne 2 ] ; then
  echo use "$0" cdromdevice isofile
  exit 1
fi

if [ ! -b "$1" -o ! -f "$2"  ] ; then
  echo both files must exist
  exit 1
fi

LSIS="^Logical block size is: "
VSIS="^Volume size is: "

L=`isoinfo -d -i "$1"`
BS=`echo "$L" | grep "$LSIS" | sed -e 's.[^0-9]..g'`
VS=`echo "$L" | grep "$VSIS" | sed -e 's.[^0-9]..g'`

if [ x"$BS" = x -o x"$VS" = x ] ; then
  echo Error getting media info
  exit 1
fi

dd if="$1" bs="$BS" count="$VS" conv=notrunc,noerror \
  | md5sum | sed -e 's- .*--' > ~/silverdisk

md5sum "$2" | sed -e 's- .*--' > ~/isoimage

if ( diff ~/silverdisk ~/isoimage ) ; then
  echo $0: "The copy is ok".
else
  echo -e $0: "\x1b[31mISO file and copy are not identical!\x1b[0m".
fi

rm ~/silverdisk
rm ~/isoimage

I bought new blank DVDs, but some copies I burned where unusable. So now I make an iso image (with graveman), burn it with growisofs and finally check if it is ok with this little script that make md5sum of both things and check if they are identical.

Since dd reads every part of the dvd it should work well.

Last edited by ezzetabi (2007-04-07 16:46:07)