[OS X TeX] All TeX files are locked!

André Bellaïche abellaic at math.jussieu.fr
Wed Jul 29 21:03:59 EDT 2009

Le 30 juil. 09 à 02:52, David Watson a écrit :

> On Jul 29, 2009, at 7:39 PM, André Bellaïche wrote:
>> Le 30 juil. 09 à 02:09, Maxwell, Adam R a écrit :
>>> On 07/29/09 17:05, "David Watson" <dewatson at me.com> wrote:
>>>> Perhaps someone opened "Get Info" for a certain folder, changed the
>>>> permissions for "everyone" and then clicked on the gear at the  
>>>> bottom of the
>>>> window, and then selected "Apply to enclosed items".
>>> Note that if you restore manually from a Time Machine backup, you  
>>> also end
>>> up with an ACL that prevents saving files, although you can open  
>>> them.  You
>>> can't get rid of it from the Finder, either.
>> What is an ACL ?
> Access Control List.
> This provides "granularity" in deciding what permissions are allowed  
> to files/folders, apart from POSIX permissions (don't ask).
>>> It's odd that so many of those files/folders have world write
>>> permission...that's a security problem.
>> I know, but I wanted my wife and me having free access to all the  
>> math and related files, which lie in a third directory (nor hers,  
>> not mine).
> Depending upon the location and permissions of that containing  
> folder, you may not have permissions to change permissions!

Sorry, it was not a third directory, but a third user. Being admin, I  
suppose I can make all the files of this 3rd user accessible to  
everyone. I did not suspect this would make Mac OS so mad. But it has  
worked for months.
> You should try using "pico" to edit the files in Terminal.
> It's fairly easy to use.

OK. I have suppressed two lines in a .tex files, and I was able to  
overwrite it by using ctrl-O.

The same with TeXShop would have put me into error messages and  
denials of permissions.

> Just use the "control" key along with "O" to write out the file.
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