From: erik quanstrom <quanstro@quanstro.net>
To: 9fans@9fans.net
Subject: Re: [9fans] dup(3)
Date: Fri, 16 Oct 2009 12:06:34 -0400 [thread overview]
Message-ID: <a91b4a203f311849ca8d62c4e5fc32ef@brasstown.quanstro.net> (raw)
In-Reply-To: <<138575260910160858nfc9444fr73e3328d98eac98a@mail.gmail.com>>
> @{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
next parent reply other threads:[~2009-10-16 16:06 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <<138575260910160858nfc9444fr73e3328d98eac98a@mail.gmail.com>
2009-10-16 16:06 ` erik quanstrom [this message]
2009-10-16 15:58 hugo rivera
2009-10-16 16:52 ` Russ Cox
2009-10-16 17:25 ` Steve Simon
2009-10-19 9:10 ` hugo rivera
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