From: Thien-Thi Nguyen <ttn@gnuvola.org>
To: help-gnu-emacs@gnu.org
Subject: Re: How to automatically increment an index array
Date: Fri, 27 Jun 2008 09:52:53 +0200 [thread overview]
Message-ID: <87ej6j1fhm.fsf@ambire.localdomain> (raw)
In-Reply-To: <858wwrfk1w.fsf@lola.goethe.zz> (David Kastrup's message of "Fri, 27 Jun 2008 08:50:35 +0200")
() David Kastrup <dak@gnu.org>
() Fri, 27 Jun 2008 08:50:35 +0200
Well, one could write something like
C-M-% \[0x\([0-9a-f]+\)\] RET \,(format "[%08x]" (+ (* 4
(string-to-number \1 16)) #X8745b400)) RET
It is not all too pretty, but not all too bad either. If the
pattern of the numbers is regular, you might use \# in the
replacement rather than an explicit conversion.
Although the general approach is sound, in this case
the #x8745b400 will be silently truncated on a 32-bit host.
To workaround, one can hardformat the high hex digits:
(format "[8745%04x]" (... #xb400))
Munge to taste...
thi
next prev parent reply other threads:[~2008-06-27 7:52 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <mailman.13859.1214468323.18990.help-gnu-emacs@gnu.org>
2008-06-26 11:47 ` How to automatically increment an index array Rupert Swarbrick
2008-06-26 11:52 ` Rupert Swarbrick
2008-06-27 2:44 ` Xah
2008-06-27 6:50 ` David Kastrup
2008-06-27 7:52 ` Thien-Thi Nguyen [this message]
[not found] ` <mailman.13886.1214553354.18990.help-gnu-emacs@gnu.org>
2008-06-27 8:19 ` David Kastrup
2008-06-27 7:23 ` Klaus Zeitler
2008-06-26 7:45 Francis Moreau
2008-06-26 12:51 ` Peter Dyballa
2008-06-27 8:47 ` David
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