On Sat, Jan 20, 2001 at 11:24:22AM -0800, John H Darrah wrote:
> On Thu, 18 Jan 2001, Hal Burgiss wrote:
>
> num=0
> echo 1 > tmp
>
> while read line
> do
> num=1
> echo $num
> done < tmp
>
> echo $num
>
> The above will accomplish the same thing by redirecting
> stdin from "tmp" for the "while" loop, preventing a fork.
Neat. Mucho better. Thanks.
> Remember that a "|" will always cause a subprocess to be
> forked
ACK.
--
Hal B
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