Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!mnetor!seismo!mcvax!enea!sommar From: sommar@enea.UUCP (Erland Sommarskog) Newsgroups: comp.lang.misc Subject: Re: Self reproducing programs (was Re: Problems needed!) Message-ID: <2045@enea.UUCP> Date: Wed, 1-Jul-87 14:45:46 EDT Article-I.D.: enea.2045 Posted: Wed Jul 1 14:45:46 1987 Date-Received: Thu, 2-Jul-87 07:04:56 EDT References: <1790@megaron.arizona.edu> Reply-To: sommar@enea.UUCP(Erland Sommarskog) Followup-To: comp.lang.misc Organization: ENEA DATA Svenska AB, Sweden Lines: 16 In a recent article debray@arizona.edu (Saumya Debray) writes: >The *really* trivial solution is the program consisting of the empty >string. A "correct" compiler should compile this to produce the empty >object program, which when executed will generate the empty string as >output. Which reminds of a Pascal compiler written at the University of Copenhagen for Univac 1100. If you forgot to give it file to compile, it answered: "No input, blockhead. Try again, this time with a program." -- Erland Sommarskog ENEA Data, Stockholm sommar@enea.UUCP