From: Andreas Schwab <schwab@linux-m68k.org>
To: Juri Linkov <juri@jurta.org>
Cc: Paul Eggert <eggert@cs.ucla.edu>, emacs-devel@gnu.org
Subject: Re: dired-do-touch (was: [PATCH] fix goto-line)
Date: Sat, 30 Jul 2011 11:54:01 +0200 [thread overview]
Message-ID: <m2hb64m6va.fsf@linux-m68k.org> (raw)
In-Reply-To: <87aabw16ls.fsf_-_@mail.jurta.org> (Juri Linkov's message of "Sat, 30 Jul 2011 12:17:17 +0300")
Juri Linkov <juri@jurta.org> writes:
>>> + (if (eq op-symbol 'touch)
>>> + (format-time-string "%Y%m%d%H%M.%S" (current-time))))
>>
>> I don't know what the overall problem is here, but I can
>> see two issues with this proposed patch. First, presumably it
>> invokes (current-time) at one point, and then, later,
>> uses that saved current-time to do the 'touch'. But that's
>> not quite right; it's the equivalent of the shell command
>>
>> touch --date="$(date)" file
>
> In theory you are right. But in practice a 1-2 sec delay
> is not a problem.
Note that changing the timestamp to a specific value requires owner
rights, whereas setting it to the current time only requires write
access.
>> whereas surely what is wanted is the equivalent of
>>
>> touch file
>
> When `touch file' is really wanted then it's easy to type `! touch'.
> `dired-do-touch' was created for the convenience of changing
> the file's timestamp providing useful default values for editing.
An empty timestamp should mean running touch without time argument.
Andreas.
--
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
next prev parent reply other threads:[~2011-07-30 9:54 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-28 12:57 [PATCH] fix goto-line Jose E. Marchesi
2011-07-28 14:07 ` Juanma Barranquero
2011-07-28 17:38 ` bug#9163: " Eduard Wiebe
2011-07-28 17:38 ` Eduard Wiebe
2011-07-29 11:15 ` Juri Linkov
2011-07-29 11:22 ` Juanma Barranquero
2011-07-29 15:28 ` Juri Linkov
2011-07-29 16:45 ` Paul Eggert
2011-07-30 9:17 ` dired-do-touch (was: [PATCH] fix goto-line) Juri Linkov
2011-07-30 9:50 ` dired-do-touch Juri Linkov
2011-07-30 9:54 ` Andreas Schwab [this message]
2011-07-30 11:01 ` dired-do-touch Juri Linkov
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