From owner-freebsd-questions Thu Nov 18 14:23:19 1999 Delivered-To: freebsd-questions@freebsd.org Received: from mojave.sitaranetworks.com (mojave.sitaranetworks.com [199.103.141.157]) by hub.freebsd.org (Postfix) with ESMTP id 7BB1E1547F for ; Thu, 18 Nov 1999 14:23:17 -0800 (PST) (envelope-from grog@mojave.sitaranetworks.com) Message-ID: <19991118172315.02758@mojave.sitaranetworks.com> Date: Thu, 18 Nov 1999 17:23:15 -0500 From: Greg Lehey To: rover@lglobus.ru, freebsd-questions@FreeBSD.ORG Subject: Re: Is there correct way for program to read from itself? Reply-To: Greg Lehey References: <19991118065815.B89755@fly.lglobus.ru> <19991118102421.09370@mojave.sitaranetworks.com> <19991118223426.A62913@fly.lglobus.ru> <19991118152324.37840@mojave.sitaranetworks.com> <19991118232846.A63288@fly.lglobus.ru> <19991118154736.22915@mojave.sitaranetworks.com> <19991119002759.B63288@fly.lglobus.ru> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <19991119002759.B63288@fly.lglobus.ru>; from Oleg V. Volkov on Fri, Nov 19, 1999 at 12:27:59AM +0300 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Friday, 19 November 1999 at 0:27:59 +0300, Oleg V. Volkov wrote: > On Thu, Nov 18, 1999 at 03:47:36PM -0500, Greg Lehey wrote: >> On Thursday, 18 November 1999 at 23:28:46 +0300, Oleg V. Volkov wrote: >>> On Thu, Nov 18, 1999 at 03:23:24PM -0500, Greg Lehey wrote: >>>>>>> Is there correct way for porgram to read from it's own file? >>>>>> I'm not sure I understand. What do you mean by "it's own file"? >>>>>> If you mean the object file, sure. Where's the problem? >>>>> I mean this situation: >>>>> I have some program /usr/local/bin/someprog. Is there a way for it >>>>> to read from itself (from /usr/local/bin/someprog). >>>> Sure, that's what I said. What do you expect to find? >>> Could you give me short example? >> OK, here's copyme.c: >> >> #include >> #include >> #include >> #include >> >> extern int errno; >> >> main (int argc, char *argv []) >> { > [skip] >> } >> >> And here's what happens when I run it: >> >> $ copyme foo >> $ cmp copyme foo >> $ ls -l copyme foo >> -rwxrwxrwx 1 grog eng 4197 Nov 18 15:44 copyme >> -r-------- 1 grog eng 4197 Nov 18 15:44 foo >> $ >> >> Not much use, is it? Was that your class assignment? > > Heh, and now put it into PATH... > and > > $ copyme foo > Can't open copyme: No such file or directory > > Everything is not that easy. That wasn't the question. But it can be fixed. How about you doing it? Greg -- When replying to this message, please copy the original recipients. For more information, see http://www.lemis.com/questions.html Finger grog@lemis.com for PGP public key See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message