Date: Fri, 19 Nov 1999 00:27:59 +0300 From: "Oleg V. Volkov" <rover@lglobus.ru> To: freebsd-questions@freebsd.org Subject: Re: Is there correct way for program to read from itself? Message-ID: <19991119002759.B63288@fly.lglobus.ru> In-Reply-To: <19991118154736.22915@mojave.sitaranetworks.com> 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>
next in thread | previous in thread | raw e-mail | index | archive | help
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 <fcntl.h> > #include <stdio.h> > #include <string.h> > #include <sys/stat.h> > > 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. -- Oleg V. Volkov aka Rover EH: LCM Rover Join Elite Imperial Fleet! http://www.emperorshammer.org E-mail redirector: sr-13@mail.ru (always up) -=/ SR 13 /=- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?19991119002759.B63288>