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Re: dired-do-touch (was: [PATCH] fix goto-line)
From: |
Andreas Schwab |
Subject: |
Re: dired-do-touch (was: [PATCH] fix goto-line) |
Date: |
Sat, 30 Jul 2011 11:54:01 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.3 (gnu/linux) |
Juri Linkov <address@hidden> 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, address@hidden
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
- [PATCH] fix goto-line, Jose E. Marchesi, 2011/07/28
- Re: [PATCH] fix goto-line, Juanma Barranquero, 2011/07/28
- Re: [PATCH] fix goto-line, Eduard Wiebe, 2011/07/28
- Re: [PATCH] fix goto-line, Juri Linkov, 2011/07/29
- Re: [PATCH] fix goto-line, Juanma Barranquero, 2011/07/29
- Re: [PATCH] fix goto-line, Juri Linkov, 2011/07/29
- Re: [PATCH] fix goto-line, Paul Eggert, 2011/07/29
- Re: dired-do-touch (was: [PATCH] fix goto-line), Juri Linkov, 2011/07/30
- Re: dired-do-touch, Juri Linkov, 2011/07/30
- Re: dired-do-touch (was: [PATCH] fix goto-line),
Andreas Schwab <=
- Re: dired-do-touch, Juri Linkov, 2011/07/30