dd errors with certain DVDs

[Tony Nelson]

At 7:15 PM +0100 3/27/07, Paul Smith wrote:
>On 3/27/07, Cameron Simpson <cs at zip.com.au> wrote:
>> | | Your script is buggy (and needlessly complex). It can round the block
>> | | count down by one.  Try this:
>> | |   blocos=$(ls -l "$1" | awk '{ print ($5+2047) / 2048 }')
>> |
>> | My script is buggy too. Make it say this:
>> |   blocos=$(ls -l "$1" | awk '{ print int(($5+2047) / 2048) + 1 }')
>>
>> Gah. My brain was off! The first version is correct:
>>
>>   blocos=$(ls -l "$1" | awk '{ print ($5+2047) / 2048 }')
>>
>> See sig.
>
>The above does not work; the error is:
>
>$ dvdok backups.iso
>dd: invalid number `1.25073e+06'
>
>$
>
>Paul

dd if=/dev/dvd bs=2048 count=$(isosize -d 2048 /dev/dvd) | sha1sum
-- 
____________________________________________________________________
TonyN.:'                       <mailto:tonynelson at georgeanelson.com>
      '                              <http://www.georgeanelson.com/>