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Re: shell game

On Sun, Dec 08, 2002 at 12:31:30AM -0600, Michael Heironimus wrote:
> On Sat, Dec 07, 2002 at 08:26:21PM +0100, Frank Gevaerts wrote:
> > >   find . -name '*.jpg' -print0 | xargs -r0 mpg123
> > 
> > Any special reason not to use -exec (except of course that xargs works
> > with any input, while -exec only with find (obviously))
> I always use xargs instead of find -exec because it just comes more
> naturally to me. There are some technical reasons for it, though.

I guess the most important reason is that xargs can combine arguments,
so it calls the command less often. Since I mostly use find/exec/xargs
for commands that can take only one filename, I didn;'t think of this

> GNU xargs is considerably more versatile than -exec. On some platforms
> (not sure about GNU find/xargs) find also spawns a subshell for every
> file with -exec, which makes xargs considerably more efficient. Not much
> difference for a dozen files, but if you have a few thousand results
> you're saving the time of starting a few thousand shells that do nothing
> but run a single command and exit.

I didn't know about this. I might checxk on the GNU find behaviour some


> -- 
> Michael Heironimus
> -- 
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