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Date: Fri, 28 Jan 2005 09:19:53 +0100
From: Walter Belgers <walter+freebsd@belgers.com>
To: Julian Elischer <julian@elischer.org>
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Subject: Re: sh bug?
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Julian Elischer wrote:
> 
> however  echo $$
> and
>   ( echo $$ )

echo is a shell builting (same with ps).
Apparantly, sh is smart in recognising you are running sh/ps.

$ echo $$
11808
$ (echo $$)
11808
$ cat x
#!/bin/sh
echo $$
$ (./x)
11812

Walter.
-- 
Walter Belgers
walter@belgers.com       Get some clue! http://www.ENOCLUE.nl/