Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!think.com!zaphod.mps.ohio-state.edu!uwm.edu!lll-winken!cheers!greg From: greg@cheers.Bungi.COM (Greg Onufer) Newsgroups: comp.unix.internals Subject: Re: SVR4 HDB uucp G protocol and file recovery Message-ID: Date: 27 May 91 06:39:59 GMT References: <1991May23.185355.13890@jvd.msk.su> <1991May26.191446.19787@digibd.com> Organization: Cheers Bar & Grill Lines: 20 rhealey@digibd.com (Rob Healey) writes: >In article <1991May23.185355.13890@jvd.msk.su> nms@jvd.msk.su writes: >>Does anybody has description of G protocol (as implemented in SVR4)? >>I want some info on file recovery in this uucp also. > File recovery with G is the same a g, they are the same protocol > it's just that g's parameters are hardcoded into the binary and > G can read them from a UUCP config file. Basically, UUCP deletes > the file after it's been successfully transfered and keeps it > till it has been sucessfully transfered. S5R4 UUCP also has the ability to restart failed transfers. This feature, called Checkpointing (?), saves the data that was received properly and the next time a connection is made, notifies the other end that x-bytes were already received, start from there. This may be very helpful when transferring multi-megabyte files! I don't have any details on the implementation, but if anybody does, let me know! Cheers!greg