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

From: Tim Kientzle
Subject: Re: [Bug-tar] Tar cheats when directed to /dev/null
Date: Thu, 25 Mar 2010 08:25:06 -0700
User-agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv: Gecko/20100314 SeaMonkey/1.1.18

Phillip Susi wrote:
...I finally figured out that tar was cheating.  I was directing
the output of various backup utilities to /dev/null ...

There's an easy way to disable this particular optimization:

   tar cf - dir | cat > /dev/null

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