From mboxrd@z Thu Jan  1 00:00:00 1970
From: erik quanstrom <quanstro@quanstro.net>
Date: Fri, 16 Oct 2009 12:06:34 -0400
To: 9fans@9fans.net
Message-ID: <a91b4a203f311849ca8d62c4e5fc32ef@brasstown.quanstro.net>
In-Reply-To: <<138575260910160858nfc9444fr73e3328d98eac98a@mail.gmail.com>>
References: <<138575260910160858nfc9444fr73e3328d98eac98a@mail.gmail.com>>
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Subject: Re: [9fans] dup(3)
Topicbox-Message-UUID: 884799f4-ead5-11e9-9d60-3106f5b1d025

> @{builtin cd $1 && tar cf /fd/1 .} | @{builtin cd $2 && tar xTf /fd/0}
> instead of
> {builtin cd $1 && tar c .} | {builtin cd $2 && tar xT}

consider,
	; one=/bin; two=/tmp; cd /
	; @{builtin cd $one} | @{builtin cd $two} ; pwd
	/
	; {builtin cd $one} | {builtin cd $two} ; pwd
	/tmp

you don't want to change the cwd of the caller.  that
would be antisocial.

- erik