cvs commit: src/etc/periodic/security 100.chksetuid

Ceri Davies ceri at submonkey.net
Sat Feb 2 11:33:47 PST 2008


On Sat, Feb 02, 2008 at 05:52:15PM +0100, Hartmut Brandt wrote:
> Simon L. Nielsen wrote:
>> On 2008.02.02 14:53:21 +0000, Ceri Davies wrote:
>>> On Sat, Feb 02, 2008 at 12:27:38PM +0000, Dag-Erling Smorgrav wrote:
>>>> des         2008-02-02 12:27:38 UTC
>>>> 
>>>>   FreeBSD src repository
>>>> 
>>>>   Modified files:
>>>>     etc/periodic/security 100.chksetuid   Log:
>>>>   Rewrite to consume significantly less memory, by using find -s instead of
>>>>   find | sort.  As a bonus, this simplifies the logic considerably.  Also
>>>>   remove the bogus "overruning the args to ls" comment and the corresponding
>>>>   "-n 20" argument to xargs; the whole point with xargs is precisely that it
>>>>   knows how large the argument list can safely get.
>>> Why use xargs at all?  The "-exec ls -liTd {} +" primary would do the
>>> same thing.
>> 
>> You would end up executing ls a lot more times with the extra overhead
>> for fork() etc. per file.
> 
> I think "-exec ... {} +" collects as much arguments before executing just 
> as xargs does. This is different from "-exec ... {} ;" which execs for each 
> argument.

Exactly my point, yes.

Ceri
-- 
That must be wonderful!  I don't understand it at all.
                                                  -- Moliere
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