Re: [rox-users] Recursive command execution?

[Thomas L. <ta...@ec...>]

On Tue, Oct 29, 2002 at 12:37:07PM -0500, Keith R. John Warno wrote:
[...]
> Non-Rox solution:
> 
> $ # from top of tree you want to touch
> $ find . -print0 | xargs -rx0 -- touch
> 
> The beauty here is that -- as long as the resulting command line that
> xargs runs isn't too large ( < about 20k ) -- the pipeline will only
> require 3 process IDs which is very efficient (as opposed to N+1 where N
> is the number of files found, as in the very poor example: find . -exec
> touch '{}' \;).  Which brings me to the ROX-related question: the Find
> with system(touch %) excutes touch for each file the Find finds, or for
> all the files (as in the pipeline example)?  Oh wait, nevermind.  "% in
> 'command' is replaced with the path of the current file".  Hrmm.  Not
> very efficient; that's a lot of execvp()ing (I sure as heaven hope ROX's
> 'Find with system()' doesn't use a libc system() call.  Haven't looked
> at the source but if it does use a libc system().... ewwwwww.)

It does what it says ;-) For 900 files it doesn't make much difference.
What is needed is a way to process/save the files found...


-- 
Thomas Leonard			http://rox.sourceforge.net
ta...@ec...		ta...@us...
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