Date: Thu, 30 Sep 2004 15:16:21 +0200 From: =?iso-8859-2?q?S=B3awek_=AFak?= <szak@era.pl> To: "David G. Lawrence" <dg@dglawrence.com> Cc: freebsd-current@freebsd.org Subject: Re: Bug in #! processing Message-ID: <86y8irx5ga.fsf@thirst.unx.era.pl> In-Reply-To: <20040930124810.GA17792@nexus.dglawrence.com> (David G. Lawrence's message of "Thu, 30 Sep 2004 05:48:10 -0700") References: <861xgm5ltz.fsf@thirst.unx.era.pl> <20040928194853.GT2493@submonkey.net> <86k6ud2t6t.fsf@thirst.unx.era.pl> <20040929131136.GA2493@submonkey.net> <415AB9BF.1070003@gamersimpact.com> <86is9wx8qp.fsf@thirst.unx.era.pl> <20040930124810.GA17792@nexus.dglawrence.com>
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"David G. Lawrence" <dg@dglawrence.com> writes: >> What circular reference? Could you elaborate? The algorithm goes like this: >> >> 1. skip all space till #! > > The #! is required to be in the first two bytes of the file, so there > can't be any spaces before it. Oh. Thus in following script: thirst<zaks>(1950)% cat tst.sh #!/bin/no-such-file ps -lp $$ Which generates following output. thirst<zaks>(1949)% ./tst.sh /tmp UID PID PPID CPU PRI NI VSZ RSS MWCHAN STAT TT TIME COMMAND 1001 31645 31278 0 8 0 1636 1024 wait S+ p5 0:00.00 sh ./tst.sh the interpreter is assumed to be /bin/sh. That's fine with me. > I wrote the code you guys are talking about, although I had nothing to do > with the commit in rev 1.21. I don't have an opinion on that other than > it's been this way in FreeBSD for a long time and I share Ceri's concern > that changing it will affect some people. By no means I wish to force anyone to fix their scripts for 5.3 release. Period. I would only like to use Allegro CL in scripts, which unfortunately considers -#! valid in argument list and acts accordingly on all platforms besides FreeBSD. Some (in)compatibility shim would be great. Please! :) /S -- Sławek Żak : UNIX Systems Administrator : PTC Sp. zoo
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