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From:	CBFalconer <cbfalconer AT yahoo DOT com>
Organization:	Ched Research
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Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: ANNOUNCE: DJGPP V2.03 Refresh Beta
References:	<200112181536 DOT fBIFajg13078 AT delorie DOT com> <3C1F8F7D DOT F2F2476C AT yahoo DOT com> <2427-Wed19Dec2001180855+0200-eliz AT is DOT elta DOT co DOT il>
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Date:	Wed, 19 Dec 2001 22:14:51 GMT
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Eli Zaretskii wrote:
> 
> > From: CBFalconer <cbfalconer AT yahoo DOT com>
> > Newsgroups: comp.os.msdos.djgpp
> > Date: Tue, 18 Dec 2001 19:10:50 GMT
> >
> > I hate to see modified versions with no obvious markers.  It makes
> > checking things by binary identity impossible.
> 
> ???  How exactly do you ``check things by binary identity''?  If you
> use something like RCS's `ident' program, you should be able to see
> the difference.  If you use any other methods, please tell what they
> are.

Before futzing with somebody elses code, I like to check that I
can duplicate their results.  The quickest way is to do a
compile/assemble/whatnot and a binary compare on the final
product.  I may have to allow for different embedded dates, etc,
and may have to play games with directory structures to get the
match, but when I do it is quite positive.

Now, when I revise something and it doesn't work, I know who to
blame.  That saves a lot of time and effort.

This is also a reason to curse systems that output uninitialized
areas full of junk from some other process/file/etc.  Microsoft is
especially bad.  On MsDos I used to have a baby utility that would
clear all available memory to eliminate those variables.  Not
practical nowadays.

-- 
Chuck F (cbfalconer AT yahoo DOT com) (cbfalconer AT XXXXworldnet DOT att DOT net)
   Available for consulting/temporary embedded and systems.
   (Remove "XXXX" from reply address. yahoo works unmodified)
   mailto:uce AT ftc DOT gov  (for spambots to harvest)

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