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Re: equalize permissions with chmod?


From: Eric Blake
Subject: Re: equalize permissions with chmod?
Date: Tue, 06 May 2008 19:54:54 -0600
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According to Martin Bernreuther on 5/6/2008 4:22 PM:
| E.g. a file with -rwxr-x--- should be changed to -rwxr-xr-x
| and ----r----- should be changed to ----r--r--

chmod o=g

|
| I didn't find anything in the chmod man pages:

It's there, but cryptic; compressed into the one line:
Each MODE is of the form `[ugoa]*([-+=]([rwxXst]*|[ugo]))+'.

You may want to try the info pages instead:
$ info coreutils 'Symbolic Modes'
then follow the link to the subsection on 'Copying Permissions'

|
| P.S.:
| BTW, Is "find" the only tool to directly determine, if permissions are set?
|  "test" seems not to offer much here.

Stat and ls can be used to determine permissions on a single file, but
yes, find is the best tool for finding a set of files that have particular
permissions (and the GNU findutils extensions beyond what POSIX requires
make this even more flexible).

- --
Don't work too hard, make some time for fun as well!

Eric Blake             address@hidden
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