On 01/03/11 17:45, Paul Eggert wrote: > On 03/01/2011 03:27 AM, Pádraig Brady wrote: > >> So the standard way to accumulate short reads to a full write, >> is to specify separate ibs and obs (we'd probably want to prompt about >> setting obs too for efficiency) > > Yes, good point, the diagnostic should suggest ibs=N obs=N > (instead of just ibs=N). > > By the way, the relationship between fullblock and ibs=N obs=N is > a curious one, one that I don't fully understand. If you have > ibs=N obs=N, why would you need fullblock? This should probably > be documented (preferably by someone who understands it :-).
Well as I understand it, it's to do with 'count'. count refers to the number of input reads, both partial and full. So the advice to use iflag=fullblock is probably safer, especially when a count (or skip) is specified. cheers, Pádraig.
