Finder Get Info equivalent in Terminal?

[Markus Ruggiero]

Hi,

When I download a file I can get its download url in the get info  
dialog in Finder. Where is this info stored? How can I get at it via  
the command line? Also Finder warns me when I launch a downloaded file  
the first time I try but not afterwards. Where is this kind of info  
stored? And again how is it accessible via command line?

No particular reason to ask, just want to know....
Thanks and have fun

---markus---
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[Derek Chesterfield]

On 27 May 2009, at 07:10, Markus Ruggiero wrote:

> When I download a file I can get its download url in the get info  
> dialog in Finder. Where is this info stored? How can I get at it via  
> the command line?

Depends what info in the Get Info dialog you want!

'ls -l' will show you basic file info, such as modified date file size  
and UNIX permissions.
'ls -le' will show you the above, plus any file ACLs.
'mdls' will show you the metadata, which tell you a bit more, and  
largely depends on the type of file - e.g. for a Word document it  
shows the author, for JPEG it shows the image size, and so on.

> Also Finder warns me when I launch a downloaded file the first time  
> I try but not afterwards. Where is this kind of info stored? And  
> again how is it accessible via command line?

This can be seen using the 'ls -l@' command, which shows the file's  
extended attributes. When a file is downloaded by Safari or Mail  
[don't know of any other apps that do it] it gets an extended  
attribute called com.apple.quarantine. After you first open the file,  
OS X [I guess specifically LaunchServices] removes the attribute.
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[Justin C. Walker]

On May 26, 2009, at 23:25 , Derek Chesterfield wrote:

> On 27 May 2009, at 07:10, Markus Ruggiero wrote:
[snip]

>> Also Finder warns me when I launch a downloaded file the first time  
>> I try but not afterwards. Where is this kind of info stored? And  
>> again how is it accessible via command line?
>
> This can be seen using the 'ls -l@' command, which shows the file's  
> extended attributes. When a file is downloaded by Safari or Mail  
> [don't know of any other apps that do it] it gets an extended  
> attribute called com.apple.quarantine. After you first open the  
> file, OS X [I guess specifically LaunchServices] removes the  
> attribute.

The command 'ls -l@' shows you the extended attributes and their  
lengths.  To see their content, try 'xattr -l' (try 'xattr -h' for  
details).

I don't think 'ls' can display (extended) attribute contents

HTH

Justin

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[LuKreme]

On 27-May-2009, at 00:10, Markus Ruggiero wrote:
> When I download a file I can get its download url in the get info  
> dialog in Finder.


You can? You do?  where?

How are you downloading them?

This USED to be the behavior ages ago, but I havne't seen it in OS X.

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[Scott Lewis-14]

In Get Info under More Info. It's been around since Safari 2 if I  
recall? Obviously if you are using Firefox or an alternative browser  
you wouldn't necessarily have this information, as I don't think  
Firefox provides the same functionality.

On May 27, 2009, at 4:49 PM, LuKreme wrote:
>> When I download a file I can get its download url in the get info  
>> dialog in Finder.
>
>
> You can? You do?  where?
>
> How are you downloading them?

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[Scott Ribe]

> This USED to be the behavior ages ago, but I havne't seen it in OS X.

It returned in some update or other, can't remember for sure, but I think it
was in the 10.4 time frame.

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