This is the mail archive of the cygwin@cygwin.com mailing list for the Cygwin project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

RE: How to "find" all writable files in a directory tree?


On Fri, 9 May 2003, Randall R Schulz wrote:

> 
> At 14:44 2003-05-09, lists@m8y.org wrote:
> >-perm +222 is redundant
> 
> How do you figure? There are 8 combinations of write enable bits that 
> this permission specification matches. For "-perm +2" only one bit is 
> examined and there's only one way for it to succeed.

My reading of the manual is that:
-222 examines bit 2 being on in all of the 3 areas
+2 examines bit 2 being on in all of the 3 areas
222 checks exact permissions 222

> >-perm +mode
> >     Any of the permission bits mode are set for the file.
> >
> >-perm -222 is equivalent to -perm +2
> 
> Either I'm dense or you're mistaken.

I could be mistaken, but -perm +2  has always worked for me.  I'll test it later.


> Are you assuming a FAT file system? Cygwin takes advantage of NTFS 
> permissions when possible (and when the now-default ntsec option of the 
> CYGWIN environment variable is enabled).

Nope, and yes, am aware :)

> Randall Schulz
> 
> 
> 
> 
> --
> Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple
> Problem reports:       http://cygwin.com/problems.html
> Documentation:         http://cygwin.com/docs.html
> FAQ:                   http://cygwin.com/faq/
> 
> 

--
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple
Problem reports:       http://cygwin.com/problems.html
Documentation:         http://cygwin.com/docs.html
FAQ:                   http://cygwin.com/faq/


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]