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From:	Achim Gratz <Stromeko AT nexgo DOT de>
To:	cygwin AT cygwin DOT com
Subject:	Re: Editors set x-bit (sometimes)
References:	<87h967obmc DOT fsf AT Rainer DOT invalid> <0D835E9B9CD07F40A48423F80D3B5A704BBD4197 AT USA7109MB022 DOT na DOT xerox DOT net>
Date:	Wed, 14 Dec 2016 19:22:43 +0100
In-Reply-To:	<0D835E9B9CD07F40A48423F80D3B5A704BBD4197@USA7109MB022.na.xerox.net> (Kenneth Nellis's message of "Wed, 14 Dec 2016 13:37:47 +0000")
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Nellis, Kenneth writes:
> Really? I always thought the opposite. With -exec, doesn't
> find invoke the command for each single found object? While xargs 
> allows a single command to operate on a whole slew of objects.

I said "-exec +", although I concur it was too easy to miss.

> For example:
> find ... -exec pgm {} \;

Try replacing the "\;" with "+", depending on whether pgm can deal with
multiple arguments.

> executes pgm separately for each found object while
> find ... | xargs pgm
> invokes pgm only once for as many files as will fit on the 
> command line, which is quite a few.

Which is what

find ... -exec pgm {} +

will do, without piping the data to xarg and without you having to
remember that you really, really wanted to say

find … -print0 | xargs -0 pgm

unless you already know that there are no spaces or funny characters
anywhere in your filenames.


Regards,
Achim.
-- 
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