Re: [Bug-tar] Tar cheats when directed to /dev/null

[Phillip Susi]

On 3/25/2010 11:25 AM, Tim Kientzle wrote:
 There's an easy way to disable this particular optimization:
> 
>    tar cf - dir | cat > /dev/null

I found an even easier and more efficient way.  Use /dev/zero instead of
/dev/null.  Different device number so it fools the check tar does, but
has the same intended effect.  Still, this "optimization" is evil and
should be removed.