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From: Uwe Thiem <uwix@iway.na>
Organization: SysEx (Pty) Ltd.
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] Way OT - date listed for a directory in ls -l
Date: Sun, 14 Aug 2005 18:09:00 +0100
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On 14 August 2005 16:51, Michael Sullivan wrote:
> Under what condition is the date of a directory (shown with ls -l)
> updated? Is it when the directory is created, or when a file somewhere
> below the directory is updated or some other time? I make weekly
> backups of the user accounts on my server box. Because space and CD
> media are in limited supply (at least for me) I write the backups to CD
> once a month. Full backups are made on Sunday and after a new Sunday's
> backup has been made I edit the previous Sunday's backup and delete all
> files that hadn't been changed recently when that backup (the one I'm
> editing) was made. This is a somewhat time-consuming method. I was
> just wondering if the directory date could give me a clue as to the date
> of the most recent file updated under that directory...
Not really. The timestamp is changed when the directory itself (not it's
content) is written to. Creating a file in that directory (but not in a
subdirectory of it) changes it. Same for removing a file or renaming it.
Uwe
--
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http://www.uwix.iway.na (last updated: 20.06.2004)
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