On Thu 2024-05-16 01:25 AM MDT -0600, <[email protected]> wrote:
On 15 May 2024, at 20:18, Steven M. Bellovin wrote:
Is there any rational way to copy every message in a smart folder to
a single zip file, preserving the date order? If I cmd-C the list of
messages and copy/paste the files somewhere (or do the same via the
command line), the order is quasi-random, not preserving dates. (I'm
perfectly happy to do any sort of weird stuff from the command line.)
—Steve Bellovin, https://www.cs.columbia.edu/~smb
This worked for me in fish shell. Copy the files, then execute this to
do some translations on the “content created” field and save it
back to the “date created” field.
```
for file in *.eml
set created (mdls -name kMDItemContentCreationDate -raw "$file" )
set translated (date -jf "%Y-%m-%d %H:%M:%S %z" "$created"
"+%Y-%m-%d %I:%M:%S %p" | sed
's/\([0-9]\{4\}\)-\([0-9]\{2\}\)-\([0-9]\{2\}\)
\([0-9]\{2\}\):\([0-9]\{2\}\):\([0-9]\{2\}\).*$/\2\/\3\/\1 \4:\5:\6/')
SetFile -d "$translated" "$file"
end
```
Interesting. For me, the kMDItemContentCreationDate is, with two
exceptions I can't comprehend, the date and time the messages were
pasted into a directory and bear no relation to the date the messages
were received. For example:
$ for i in *.eml ; do printf "%s\n" "$(mdls -name
kMDItemContentCreationDate -raw $i)" ; done | head -4
2024-05-16 00:57:37 +0000
2024-05-16 14:22:59 +0000
2024-05-16 14:22:59 +0000
2024-05-16 14:22:59 +0000
No idea where 2024-05-16 00:57:37 +0000 came from. 2024-05-16 14:22:59
+0000 is the date and time the files were created, not the date of the
messages. Similarly:
$ for i in *.eml ; do printf "%s\n" "$(mdls -name
kMDItemContentCreationDate -raw $i)" ; done | tail -4
2024-05-16 14:22:59 +0000
2024-05-16 14:22:59 +0000
2024-05-16 14:22:59 +0000
2024-05-16 00:57:37 +0000
Again, no idea where 2024-05-16 00:57:37 +0000 came from. It's neither
the date the message was received nor the date the file was created.
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