Date: Fri, 2 Jul 2010 17:42:59 +0200 From: Erik Trulsson <ertr1013@student.uu.se> To: Polytropon <freebsd@edvax.de> Cc: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org>, freebsd-questions@freebsd.org Subject: Re: 'file' Command Giving False Positives Message-ID: <20100702154259.GA54405@owl.midgard.homeip.net> In-Reply-To: <20100702173504.c53738b2.freebsd@edvax.de> References: <4C2DF07F.1020509@tundraware.com> <44630xq527.fsf@be-well.ilk.org> <20100702173504.c53738b2.freebsd@edvax.de>
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On Fri, Jul 02, 2010 at 05:35:04PM +0200, Polytropon wrote: > On Fri, 02 Jul 2010 11:25:20 -0400, Lowell Gilbert <freebsd-questions-local@be-well.ilk.org> wrote: > > Why is it incorrect? "LZ" as the first two bytes in a file is (unless > > my memory is badly mistaken) exactly what the old command.com looked for > > as the flag of an executable. > > If I ask *my* memory, it tells me that what you mean is "MZ". As > far as I remember, those are the initials of a programmer involved > with the creation of the DOS binary executable format. :-) "MZ" is indeed what an MS-DOS style .EXE file should start with. For an MS-DOS .COM file there is no header or other metadata in the file so there is no good way of distinguishing it from any other binary file. -- <Insert your favourite quote here.> Erik Trulsson ertr1013@student.uu.se
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