From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <zsh-users-return-8718-mason-zsh=primenet.com.au@sunsite.dk>
Received: (qmail 13324 invoked from network); 20 Apr 2005 10:53:47 -0000
Received: from news.dotsrc.org (HELO a.mx.sunsite.dk) (130.225.247.88)
  by ns1.primenet.com.au with SMTP; 20 Apr 2005 10:53:47 -0000
Received: (qmail 86051 invoked from network); 20 Apr 2005 10:53:41 -0000
Received: from sunsite.dk (130.225.247.90)
  by a.mx.sunsite.dk with SMTP; 20 Apr 2005 10:53:41 -0000
Received: (qmail 21510 invoked by alias); 20 Apr 2005 10:53:32 -0000
Mailing-List: contact zsh-users-help@sunsite.dk; run by ezmlm
Precedence: bulk
X-No-Archive: yes
X-Seq: 8718
Received: (qmail 21490 invoked from network); 20 Apr 2005 10:53:30 -0000
Received: from news.dotsrc.org (HELO a.mx.sunsite.dk) (130.225.247.88)
  by sunsite.dk with SMTP; 20 Apr 2005 10:53:30 -0000
Received: (qmail 84932 invoked from network); 20 Apr 2005 10:53:30 -0000
Received: from master.altlinux.ru (62.118.250.235)
  by a.mx.sunsite.dk with SMTP; 20 Apr 2005 10:53:26 -0000
Received: from solemn.turbinal.org (localhost.localdomain [127.0.0.1])
	by master.altlinux.ru (Postfix) with ESMTP id 7B11BE46CA
	for <zsh-users@sunsite.dk>; Wed, 20 Apr 2005 14:53:25 +0400 (MSD)
Received: by solemn.turbinal.org (Postfix, from userid 500)
	id C005EA58EA; Wed, 20 Apr 2005 14:51:55 +0400 (MSD)
Date: Wed, 20 Apr 2005 14:51:55 +0400
From: Alexey Tourbin <at@altlinux.ru>
To: zsh-users@sunsite.dk
Subject: Re: Testing for broken symlinks
Message-ID: <20050420105155.GR21153@solemn.turbinal.org>
References: <opspishpc86k1y1x@aspen>
Mime-Version: 1.0
Content-Type: multipart/signed; micalg=pgp-sha1;
	protocol="application/pgp-signature"; boundary="jsrFa/5v3cIbBmG8"
Content-Disposition: inline
In-Reply-To: <opspishpc86k1y1x@aspen>
X-Spam-Checker-Version: SpamAssassin 3.0.2 on a.mx.sunsite.dk
X-Spam-Level: 
X-Spam-Status: No, score=-2.6 required=6.0 tests=AWL,BAYES_00 autolearn=ham 
	version=3.0.2
X-Spam-Hits: -2.6


--jsrFa/5v3cIbBmG8
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline

On Wed, Apr 20, 2005 at 05:30:51PM +1000, Eric Mangold wrote:
> Is there any way to test if a symlink is broken?

if [ -L "$f" -a ! -e "$f" ]; then
	print "$f: broken symlink"
fi

$ ln -sf /asdf/zxcv .
$ test -L zxcv; echo $?
0
$ test -e zxcv; echo $?
1
$

The point is that lstat(2) succeeds but stat(2) fails on broken
symlinks.

--jsrFa/5v3cIbBmG8
Content-Type: application/pgp-signature
Content-Disposition: inline

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.5 (GNU/Linux)

iD8DBQFCZjRLfBKgtDjnu0YRAlHiAKCMtDHSqAEhkHU9kQxPF1GI4lObPQCeI59G
nPCjBXsftEr7A+TkTNcNzao=
=c7jX
-----END PGP SIGNATURE-----

--jsrFa/5v3cIbBmG8--