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From: David Kastrup <dak@gnu.org>
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Subject: Re: editing binary (hexa) data
Date: Thu, 17 May 2007 19:24:48 +0200
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Peter Dyballa <Peter_Dyballa@Web.DE> writes:

> Am 17.05.2007 um 11:09 schrieb Peter Tury:
>
>> Or perhaps you know some other mode for me?
>
> In GNU Emacs 22 you can use query-replace-regexp or replace-regexp to
> convert between ASCII and numeric:
>
> 	M-x replace-regexp RET \(.\) RET \,(string-to-number \1)  RET

You mean

 	M-x replace-regexp RET . RET \,(string-to-char \1)  RET

(returns Emacs' internal coding, not unicode or latin-1).

> or such and back with
>
> 	M-x replace-regexp RET \([1-9][0-9]\)  RET \,(string (+ ?a \1)) RET

	M-x replace-regexp RET [0-9]+  RET \,(string (+ ?a \#&)) RET

But why ?a?  Weird.

-- 
David Kastrup, Kriemhildstr. 15, 44793 Bochum