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Questions tagged [extended-attributes]

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SetFile -d can used to used to set birth time attribute to whole second accuracy. How can I set it to higher accuracy? (nanosecond on APFS or millisecond on ExFAT) % SetFile -d "01/02/2023 18:19:...
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100 views

I’ve been having trouble saving files on some files in some directories on an SMB share (from a Linux server). With experimentation, I get the impression that it has something to do with extended ...
Manngo's user avatar
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1 answer
137 views

I have just switched a couple of months ago from Sonoma (M1 MBPro) to Sequoia (15.3 and now 15.4.1) (M4 MBPro), and I notice that extended attributes were/are now systematically added almost ...
2 votes
1 answer
165 views

Preview seems to set the quarantine on files that it opens. Kind of, unpredictably. And, it could be, that quarantine is set randomly through other mechanisms; not sure. Let me illustrate. I have ...
5 votes
2 answers
928 views

Is it possible to copy an individual file and preserve its comment? Here is what I have tried. Nothing here works for me on macOS 14.3.1 and Zsh 5.9 (x86_64-apple-darwin23.0). cp file.txt file-copy....
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1 vote
1 answer
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When I do an ls -lg of my user directory I can see a file directory called: drwx------+ 33 staff 1056 Oct 19 11:09 Movies Which, as you can see, has a plus sign at the end of the permissions, ...
0 votes
0 answers
312 views

I have a multi-GB directory tree of documents that I need to keep synchronized between a macOS and a Linux host. I'm thinking of using xattr on Mac OS to remove extended attributes on every single ...
1 vote
1 answer
990 views

In trying to read all the values of the extended attributes on a single file, if I do xattr -l <filename> | while read ATTR; do xattr -p $ATTR <filename> done I get what I expect. But ...
5 votes
1 answer
1k views

Here is my use case but the question is a general one: how to duplicate a folder and preserve the Date Added info. My Downloads folder is set to Group By and Sort By Date Added. I'd like to clean the ...
lhf's user avatar
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1 vote
3 answers
3k views

It seems to be an obvious question, but for some reason I cannot find an answer. Apparently, I just discovered a well-known MacOS feature: extended file attributes. Context: When I download a file, I ...
2 votes
3 answers
1k views

If you download a file from the internet using Safari, some extended attributes are added to the downloaded file, among which com.apple.metadata:kMDItemWhereFroms which contains the original URL of ...
3 votes
0 answers
501 views

It seems that defaults read only works on property list files in certain folders (e.g. Desktop, Downloads) when the extended attribute com.apple.macl contains a specific value otherwise it reports ...
2 votes
1 answer
2k views

I have deleted the file com.apple.HIToolbox.plist from /Library/Preferences/ by mistake. I have a copy of the file saved. I hoped the file would be reconstructed after reboot, but that didn't happen. ...
2 votes
2 answers
153 views

Will it start to behave just like Desktop and Documents? Or will it break iCloud drive?
6 votes
0 answers
107 views

I can imagine that there might be an attribute that I could add using xattr, but I have no idea what that attribute would be.

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