File permission -rw-r--r--@

Hi! I have a problem with file permissions. When I open a document in Excel 2008 and even if I don't save the file, I find the @-mark added to the file permissions. This will cause situation where Finder can't find that file anymore.

The files are located in Leopard server / AFP share.

What does this @-mark stand for? How to get rid of it?

Thanks in advance!

-np

G5 Double 2 GHz + MacBook 2 GHz, Mac OS X (10.5.2)

Posted on Mar 3, 2008 1:28 AM

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3 replies

Mar 3, 2008 8:03 PM in response to nurmipossu

Hi,

From running 'man ls' in Terminal:

... "If the file or directory has extended attributes, the permissions field printed by the -l option is followed by a '@' character. Otherwise, if the file or directory has extended security information, the permissions field printed by the -l option is followed by a '+' character." ...

I recommend http://www.bruji.com/bwana/ for efficient access to you man pages in Safari.

I don't understand how the Finder can't find the file anymore on you machine; extended attributes are very common additions to files saved by many programs these days, since Tiger.

Oddly, Wikipedia has good information on it, including links to Apple's command-line tools (bottom of page). If you remove the attribute(s) they will probably just reappear next time you save the file from Excel.

Larry

Mar 5, 2008 7:45 AM in response to djdiffusion

When copying a file via AFP, like dropping off something into someone's Public/Drop Box, the copied file will usually retains the group (if that group already exists on the copied-to machine), while the user is usually changed to 'nobody' (unless there is a user of the same name on the copied-to machine). The file does not become owned by the actual copied-to user account unless that user initiated the copy off a remote machine or drive. I think this is a bit of a pain on a local, closed network, but a necessary security step on an open, public network.

Check your file with 'ls -al your/file/path/here' in Terminal to view ownership.

I still do not know what you and the other poster mean by the 'Finder can not find the file.' What is the error? Is the file visible, but throws an error when opened?

Larry

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File permission -rw-r--r--@

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