How does Finder keep track of downloaded files' original URLs?
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When you open the info window, i.e. Get Info, of a downloaded file, Finder will show you the downloaded origin, called Where from. This information is there even the file is moved or slightly modified. How does Finder achieve this? Is it a feature of the file system?
finder
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up vote
4
down vote
favorite
When you open the info window, i.e. Get Info, of a downloaded file, Finder will show you the downloaded origin, called Where from. This information is there even the file is moved or slightly modified. How does Finder achieve this? Is it a feature of the file system?
finder
add a comment |
up vote
4
down vote
favorite
up vote
4
down vote
favorite
When you open the info window, i.e. Get Info, of a downloaded file, Finder will show you the downloaded origin, called Where from. This information is there even the file is moved or slightly modified. How does Finder achieve this? Is it a feature of the file system?
finder
When you open the info window, i.e. Get Info, of a downloaded file, Finder will show you the downloaded origin, called Where from. This information is there even the file is moved or slightly modified. How does Finder achieve this? Is it a feature of the file system?
finder
finder
edited 7 hours ago
asked 7 hours ago
jackxujh
436112
436112
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1 Answer
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In the metadata associated to a file. Use xattr from the command line to see and manipulate the metadata. Using ‘get info’ in the GUI is not equivalent, but should allow you to see some metadata attributes, including the originating URL.
Where is the metadata stored then?
– jackxujh
7 hours ago
@jackxujh it s a part of the file itself
– Francis from ResponseBase
7 hours ago
Thanks! I got it! I can run$ xattr -l cat_video.mp4
to show a list of attributes in both hex and text, or without-l
to show only name of attributes. And other parameters with other usages as well!
– jackxujh
6 hours ago
add a comment |
1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
up vote
4
down vote
In the metadata associated to a file. Use xattr from the command line to see and manipulate the metadata. Using ‘get info’ in the GUI is not equivalent, but should allow you to see some metadata attributes, including the originating URL.
Where is the metadata stored then?
– jackxujh
7 hours ago
@jackxujh it s a part of the file itself
– Francis from ResponseBase
7 hours ago
Thanks! I got it! I can run$ xattr -l cat_video.mp4
to show a list of attributes in both hex and text, or without-l
to show only name of attributes. And other parameters with other usages as well!
– jackxujh
6 hours ago
add a comment |
up vote
4
down vote
In the metadata associated to a file. Use xattr from the command line to see and manipulate the metadata. Using ‘get info’ in the GUI is not equivalent, but should allow you to see some metadata attributes, including the originating URL.
Where is the metadata stored then?
– jackxujh
7 hours ago
@jackxujh it s a part of the file itself
– Francis from ResponseBase
7 hours ago
Thanks! I got it! I can run$ xattr -l cat_video.mp4
to show a list of attributes in both hex and text, or without-l
to show only name of attributes. And other parameters with other usages as well!
– jackxujh
6 hours ago
add a comment |
up vote
4
down vote
up vote
4
down vote
In the metadata associated to a file. Use xattr from the command line to see and manipulate the metadata. Using ‘get info’ in the GUI is not equivalent, but should allow you to see some metadata attributes, including the originating URL.
In the metadata associated to a file. Use xattr from the command line to see and manipulate the metadata. Using ‘get info’ in the GUI is not equivalent, but should allow you to see some metadata attributes, including the originating URL.
answered 7 hours ago
Francis from ResponseBase
44126
44126
Where is the metadata stored then?
– jackxujh
7 hours ago
@jackxujh it s a part of the file itself
– Francis from ResponseBase
7 hours ago
Thanks! I got it! I can run$ xattr -l cat_video.mp4
to show a list of attributes in both hex and text, or without-l
to show only name of attributes. And other parameters with other usages as well!
– jackxujh
6 hours ago
add a comment |
Where is the metadata stored then?
– jackxujh
7 hours ago
@jackxujh it s a part of the file itself
– Francis from ResponseBase
7 hours ago
Thanks! I got it! I can run$ xattr -l cat_video.mp4
to show a list of attributes in both hex and text, or without-l
to show only name of attributes. And other parameters with other usages as well!
– jackxujh
6 hours ago
Where is the metadata stored then?
– jackxujh
7 hours ago
Where is the metadata stored then?
– jackxujh
7 hours ago
@jackxujh it s a part of the file itself
– Francis from ResponseBase
7 hours ago
@jackxujh it s a part of the file itself
– Francis from ResponseBase
7 hours ago
Thanks! I got it! I can run
$ xattr -l cat_video.mp4
to show a list of attributes in both hex and text, or without -l
to show only name of attributes. And other parameters with other usages as well!– jackxujh
6 hours ago
Thanks! I got it! I can run
$ xattr -l cat_video.mp4
to show a list of attributes in both hex and text, or without -l
to show only name of attributes. And other parameters with other usages as well!– jackxujh
6 hours ago
add a comment |
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