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Re: Need way to set the Creation date of a file via OSX
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Re: Need way to set the Creation date of a file via OSX


  • Subject: Re: Need way to set the Creation date of a file via OSX
  • From: "Mark J. Reed" <email@hidden>
  • Date: Sat, 21 May 2005 21:07:33 -0400

Gah, multiple drafts got combined.  Trying again.


On 5/21/05, Mark J. Reed <email@hidden> wrote:
chmod/chown don't let you set the creation time directly, but when you use them to change the mode or owner (or use chgrp to change the group, or ln to create another hard link to the file, or do anything else that affects the file's metadata, that updates the ctime to the time of the change. 

But  I had the relationship backwards as far as which one of ctime/mtime changes more often.  ctime is not "creation time", it's "change time".

The ctime will change when the mtime doesn't - when the file mode is changed with chmod, or the owner with chown, or the group with chgrp, or the number of links with chgrp, etc.  Those actions don't change the modification time, because the file contents don't change, but they do change the ctime.




On 5/21/05, cris <email@hidden > wrote:

On May 18, 2005, at 1:07 PM, Mark J. Reed wrote:

> touch doesn't change the ctime either, unless you're using a
> version that supports that as a special option and supply said
> option.   chmod and chown, however, do.  ctime is basically the
> mtime for the inode.

Can you give an example how changing the creation date should work
with chmod/chown?

Greetings
cris



--
Mark J. Reed < email@hidden>



--
Mark J. Reed <email@hidden>
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References: 
 >Re: Need way to set the Creation date of a file via OSX (From: "Mark J. Reed" <email@hidden>)
 >Re: Need way to set the Creation date of a file via OSX (From: "John C. Welch" <email@hidden>)
 >Re: Need way to set the Creation date of a file via OSX (From: "Mark J. Reed" <email@hidden>)
 >Re: Need way to set the Creation date of a file via OSX (From: cris <email@hidden>)
 >Re: Need way to set the Creation date of a file via OSX (From: "Mark J. Reed" <email@hidden>)

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