From: Vincent Lefevre <vincent@vinc17.net>
To: zsh-users@zsh.org
Subject: Re: Next release (5.3)
Date: Wed, 20 Jul 2016 15:05:12 +0200 [thread overview]
Message-ID: <20160720130512.GA20398@zira.vinc17.org> (raw)
In-Reply-To: <160712094017.ZM17395@torch.brasslantern.com>
On 2016-07-12 09:40:17 -0700, Bart Schaefer wrote:
> On Jul 12, 9:58am, Roman Neuhauser wrote:
> } Subject: Re: Next release (5.3)
> }
> } I understand the issue is that although zshexpn(1) claims...
> }
> } This call is equivalent to `a` unless your system has the realpath
> } system call (modern systems do).
> }
> } ... this is not the case. Correct? Well, I use it for this
> } exact purpose.
>
> Your statement is going to require some clarification. By "exact purpose"
> do you mean "as a replacement for realpath"?
>
> The documentation says:
>
> 1. resolution of `..' occurs _before_ resolution of symbolic links
> 2. equivalent to a unless your system has the realpath system call
>
> These are not contraditory but they explicitly do NOT mean that :A
> is a replacement for realpath. All that (2) means is :A does NOT
> follow symbolic links unless realpath is available to do that work.
But it does not say how ".." is resolved. Using the realpath system
call is a way (the only correct one) to resolve "..".
--
Vincent Lefèvre <vincent@vinc17.net> - Web: <https://www.vinc17.net/>
100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/>
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)
next prev parent reply other threads:[~2016-07-20 13:05 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-05 4:57 realpath(3), symlinks, '..' components, and the ':A' word modifier Daniel Shahaf
2016-07-05 12:54 ` Roland Eggner
2016-07-05 13:24 ` Vadim Zeitlin
2016-07-06 15:15 ` Filipe
[not found] ` <20160705125430.GA29959__3886.85245202414$1467723835$gmane$org@mobil.systemanalysen.net>
2016-07-07 2:00 ` Daniel Shahaf
2016-07-07 17:20 ` Bart Schaefer
[not found] ` <20160705093321.79d7c4bc@pwslap01u.europe.root.pri>
2016-07-12 7:58 ` Next release (5.3) Roman Neuhauser
2016-07-12 16:40 ` Bart Schaefer
2016-07-12 20:23 ` Oliver Kiddle
2016-07-13 2:56 ` Filipe Silva
2016-07-13 4:45 ` Bart Schaefer
2016-07-13 5:09 ` Filipe Silva
2016-07-13 9:32 ` Peter Stephenson
2016-07-13 9:59 ` Peter Stephenson
2016-07-13 16:35 ` Bart Schaefer
2016-07-13 16:59 ` Peter Stephenson
2016-07-13 17:50 ` Bart Schaefer
[not found] ` <20160713105910.2b33701c__17004.846657119$1468404086$gmane$org@pwslap01u.europe.root.pri>
2016-07-17 14:59 ` Daniel Shahaf
[not found] ` <20160713103233.14bfd05a__26126.9551389434$1468402471$gmane$org@pwslap01u.europe.root.pri>
2016-07-17 14:59 ` [PATCH] improve :A docs (was: Re: Next release (5.3)) Daniel Shahaf
[not found] ` <20160717145931.GA4859__10178.6871244714$1468767679$gmane$org@tarsus.local2>
2016-07-20 6:54 ` Daniel Shahaf
2016-07-13 7:41 ` Next release (5.3) Roman Neuhauser
2016-07-13 17:36 ` Bart Schaefer
2016-07-20 13:05 ` Vincent Lefevre [this message]
2016-07-20 14:00 ` Vincent Lefevre
2016-07-20 14:15 ` Peter Stephenson
2016-07-20 14:19 ` Peter Stephenson
[not found] ` <20160720151517.6a833f2c__37436.2382958227$1469024822$gmane$org@pwslap01u.europe.root.pri>
2016-07-21 5:40 ` Daniel Shahaf
2016-07-21 9:19 ` Peter Stephenson
2016-07-21 3:50 ` Bart Schaefer
[not found] ` <160712094017.ZM17395__33553.1437922784$1468341719$gmane$org@torch.brasslantern.com>
2016-07-13 5:00 ` Daniel Shahaf
[not found] ` <20160712075849.GG1537__20664.8654224866$1468310440$gmane$org@isis.sigpipe.cz>
2016-07-13 5:01 ` Daniel Shahaf
2016-07-20 12:44 ` realpath(3), symlinks, '..' components, and the ':A' word modifier Vincent Lefevre
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