Re: [SLUG] list files with certain permissions

From: Eben King (eben1@tampabay.rr.com)
Date: Sat Jul 02 2005 - 12:39:46 EDT


On Sat, 2 Jul 2005, Kwan Lowe wrote:

> Chuck Hast wrote:
> > Folks, I am trying to sort through a load of files and find some that need the
> > permissions changed.
> > Of course I can do a ls -al and see the whole thing, indeed I can dump it
> > into less and go page by page, but I would like to really see the files that
> > have the permissions set to 744, there are some that I need to set to 755.
> >
> > How can I see only those files with the 744 permissions?
>
> BTW, you can combine the find with an arbitrary command:
>
> find . -perm 744 -type f -exec chmod 755 {} \;
>
> The above will change *all* files (not directories) that have 744 perms
> to 755 perms.
>
> To only list the files:
>
> find . -perm 744 -type f -exec ls -l {} \;

If there are lots (like thousands) of files, try

find . -perm 744 -type f | xargs chmod 755

and

find . -perm 744 -type f | xargs ls -l

(for that last one, you can skip the "| xargs ..." for a listing of just the
names)

You can stick "-print0" before the pipe and "-0" after the "xargs" if you
might have filenames with "bad" characters (and you have GNU tools, which
you almost always do if you're running Linux).

-- 
-eben    ebQenW1@EtaRmpTabYayU.rIr.OcoPm    home.tampabay.rr.com/hactar

Only two things are infinite, the universe and human stupidity, and I'm not sure about the former." - Albert Einstein

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