checking a burned CD against an ISO

[Chris F.A. Johnson]

On Wed, 23 May 2007, Lennart Sorensen wrote:

> On Wed, May 23, 2007 at 12:26:18AM -0400, Chris F.A. Johnson wrote:
>>> FILESIZE=$(stat -c%s "$ISO_FILENAME")
>>> DISK_MD5=`dd if=$DEVICE | head -c $FILESIZE | md5sum`
>>
>>     No need for more than one external command:
>>
>> DISK_MD5=$( md5sum "$DEVICE" )
>
> Unless the linux kernel has somehow recently got a clue about reading
> optical media without trying to read past the end of the device, then
> that 'head' command is probably quite useful.

    I've been using 'md5sum "$DEVICE"' without any problem for years.

-- 
    Chris F.A. Johnson                      <http://cfaj.freeshell.org>
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