Re: Need way to set the Creation date of a file via OSX
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: Tue, 17 May 2005 21:53:01 -0400
To go back to the original question, let's try to clarify what Bob was asking.
For a JPEG file on an HFS+ filesystem, there are at least five
different timestamps, two of which could be considered the "creation
time".
Inside the image data you have these:
1. JFIF Creation Time
2. JFIF Digitized Time
Many different image-manipulation tools will let you modify these and
might be scriptable. Alternatively, the ImageMagick suite of
command-line tools can be used to do it via "do shell script".
In the filesystem's metadata you have these:
3. "Creation" time/ctime (can actually change over the life of the file)
4. Modifcation time/mtime (last time the file was changed, initially same as ctime)
5. Access time/atime (the last time the file was read by any program or process)
The UNIX command touch(1) can be used to change these.
--
Mark J. Reed <
email@hidden>
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