Path: utzoo!attcan!uunet!snorkelwacker!usc!zaphod.mps.ohio-state.edu!uwm.edu!ogicse!uidaho!smith From: smith@groucho Newsgroups: comp.mail.uucp Subject: Re: WANTED: News compression information... Message-ID: <1990Jun01.143729.12368@groucho> Date: 1 Jun 90 14:37:29 GMT References: <1990May29.202056.26271@ox.com> <861@sppy00.UUCP> <3411@auspex.auspex.com> Reply-To: smith@groucho.mrc.uidaho.edu (William D. Smith) Organization: University of Idaho, Moscow Lines: 36 In article <3411@auspex.auspex.com> guy@auspex.auspex.com (Guy Harris) writes: >>I've been told that the compression algorithm that sendbatch uses is >>a "modified" L-Z. Your right. > >Uhh, the compression algorithm that "sendbatch" uses *is* "compress": > > -c) COMP='| $LIB/compress $cflags' > ECHO='echo "#! cunbatch"' > continue;; > >and "/usr/lib/news/compress" is simply a symlink to "/usr/ucb/compress" >on our system. There is a variant of "compress" supplied in source form >with the netnews source, but it's basically the same program as the one >that comes with, say, BSD. Your right but wrong. The compress program used adaptive Lempel-Ziv coding. Also /usr/lib/news/compress is only a symlink to /usr/ucp/compress on Berkely systems. __ | | I know its long but I ----------------------------- | | like it. William Smith |. | Microelectronics Research Center \ | University of Idaho / \ Moscow, ID 83843 | \ (208)885-6500 | \ | ---| E-mail: wsmith@groucho.mrc.uidaho.edu | | ---------------------------- | | |----------