Re: Using readcd to read 3rd party discs

[Rob Bogus <rob23@tmr.com>]

Ashish Rangole wrote:

> I guess this is a novice level question.
>
> I am planning to use readcd to read from a data CD/DVD. 
> I understand that for discs written with "-dao" flag, readcd will
> read exact number of sectors, whereas for those written w/o
> "-dao" flag, readcd tries to read 2 sectors more than the actual
> data sectors causing readcd to fail.
>
> In order to avoid the error at the end of reading I think I should use
> "sectors=" option with readcd. For a disc that I haven't written and
> thus do not know how many sectors it has, how do I find that out? In
> other words, how do I know what value should I give to "sectors=" when
> I get a CD/DVD from a thirdparty which might or might not have been
> written with "-dao" option?
>
> Is there a better option than using readcd?
>
> Thanks in advance for your help
>  
You can use isoinfo (with -d) to get that info.

--
E. Robert Bogusta
 It seemed like a good idea at the time