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Date:      Sat, 16 Mar 2002 14:47:42 -0800
From:      Alfred Perlstein <bright@mu.org>
To:        "Clark C . Evans" <cce@clarkevans.com>
Cc:        hackers@freebsd.org
Subject:   Re: simple binary patch utility (for iso cdrom images)
Message-ID:  <20020316224742.GS4857@elvis.mu.org>
In-Reply-To: <20020316173254.A15494@doublegemini.com>
References:  <20020316173254.A15494@doublegemini.com>

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* Clark C . Evans <cce@clarkevans.com> [020316 14:34] wrote:
> I looked around for quite a while for a simple program
> to do a binary patch on an iso cdrom image.  I was hoping
> that I could use "bvi" or similar binary editor, but it
> wasn't clear how I could get them to do simple string
> replacement.  So, I wrote one and am putting it in the
> public domain, I hope someone finds it useful.

Kinda cool, but you should make the program return success/failure
if it finds the string to replace.  You should also probably allow
a starting offset and a way to list all the locations where it
occurs, or:

use grep -b to find the pattern and 'dd' to patch it. :)

-Alfred

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