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From: Vincent Lefevre <vincent@vinc17.net>
To: zsh-users@zsh.org
Subject: Re: how to get the absolute pathname of the current shell?
Date: Mon, 9 Dec 2013 10:31:55 +0100	[thread overview]
Message-ID: <20131209093155.GB30856@xvii.vinc17.org> (raw)
In-Reply-To: <20131209085330.GA30856@xvii.vinc17.org>

On 2013-12-09 09:53:30 +0100, Vincent Lefevre wrote:
> On 2013-12-06 08:30:20 -0800, Bart Schaefer wrote:
> > On Dec 6,  2:27pm, Vincent Lefevre wrote:
> > } Currently I'm doing: ${$(whence -p ${0#-}):a}
> > } 
> > } But this doesn't work when there are symbolic links
> > 
> > If the above is otherwise good enough, why not ${$(whence -p ${0#-}):A}
> > which uses realpath() when it is available?  [See above about different
> > code depending on OS ...]
> 
> Using :A instead of :a doesn't solve the problem.

The following code seems to work:

  tmp=$(whence -p ${0#-})
  SHELL=${${tmp##/*}:+$PWD/}$tmp

It avoids buggy symbolic link resolution.

-- 
Vincent Lefèvre <vincent@vinc17.net> - Web: <http://www.vinc17.net/>
100% accessible validated (X)HTML - Blog: <http://www.vinc17.net/blog/>
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)


  reply	other threads:[~2013-12-09  9:32 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-06 13:27 Vincent Lefevre
2013-12-06 16:30 ` Bart Schaefer
2013-12-09  8:53   ` Vincent Lefevre
2013-12-09  9:31     ` Vincent Lefevre [this message]
2013-12-09  9:45     ` Vincent Lefevre

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