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Re: differences between -false and comma "," operator

From: James Youngman
Subject: Re: differences between -false and comma "," operator
Date: Thu, 13 Oct 2005 23:06:51 +0100
User-agent: Mutt/1.5.9i

On Wed, Oct 12, 2005 at 03:43:43PM -0700, Jeremy C. Reed wrote:
> The code in findutils is different for -false and comma "," operator.
> But the use appears to be same for my tests.
> The man page says:
>    expr1 , expr2
>           List;  both  expr1  and expr2 are always evaluated.
>           The value of expr1 is discarded; the value  of  the
>           list is the value of expr2.
> This appears to be same as:
> expr1 -false -o expr2
> What is different for the results of -false test and comma "," operator?

Modulo effects of operator precedence, they are the same, I think.


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