Stephen Rasku writes:
> 
> I believe what he is refering to is that the more SCCS will get slower the 
> more revisions you have in a file.  Getting a file from RCS/CVS should be a 
> constant time event for the latest version because RCS/CVS stores the latest 
> revision verbatim.  However, as I understand it,  SCCS saves each version as 
> "#ifdefs".  I don't think it stores a complete copy of the latest revision.  
> As such, it will have to calculate what is in the latest version and how long 
> this takes will depend on how many revisions you have.  

SCCS can retrieve any revision in one pass through the file.  As you
say, there are the equivalent of "#ifdefs" that specify which revisions
include the following lines , so there's very little processing time,
it's mostly just I/O time.  CVS as currently implemented has to read the
entire RCS file before doing anything, so I'd be very surprised if it's
significantly faster.

-Larry Jones

Life's a lot more fun when you're not responsible for your actions. -- Calvin

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