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Message-ID:	<42EFCA2B.1020708@familiehaase.de>
Date:	Tue, 02 Aug 2005 21:31:55 +0200
From:	"Gerrit P. Haase" <gerrit AT familiehaase DOT de>
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To:	David Vergin <dvergin AT igc DOT org>
CC:	cygwin AT cygwin DOT com
Subject:	Re: Command line edit of binary file
References:	<42EFBC32 DOT 2070007 AT igc DOT org>
In-Reply-To:	<42EFBC32.2070007@igc.org>
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David Vergin wrote:

> I want to write a script to do a minor edit of a binary file. I don't 
> use sed, but as best I can say, what I need would be the equivalent of:
> 
>     sed 's/F:\\/C:\\/g' pugs.exe > pugsfixed.exe
> 
> But sed (in my unfamiliar hands) seems to mung the binary (beyond what I 
> have asked for). I assume this is because it is expecting a text file.
> 
> I could write a Perl script to do this. But this task screams "Prior 
> Art!" so this seems like a good opportunity to add another unixy tool to 
> my personal toolkit.
> 
> Is there a tool available under cygwin to do a command line edit of a 
> binary file? (hexedit works fine for an interactive solution but I want 
> to automate this.)

bsdiff / bspatch?

Original source:
http://www.daemonology.net/bsdiff/

Cygwin versions still online:
$ cat get.sh
#!/bin/sh

wget http://www.lapo.it/cygwin/bsdiff-4.2-1-src.tar.bz2
wget http://www.lapo.it/cygwin/bsdiff-4.2-1.tar.bz2

MinGW version:
http://www.pokorra.de/coding/bsdiff.html

VC++ Version:
http://sites.inka.de/tesla/f_others.html#bsdiff


Gerrit
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