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From: "H. Peter Anvin" <hpa@zytor.com>
To: Joel Becker <Joel.Becker@oracle.com>
Cc: Peter Eriksen <s022018@student.dtu.dk>, git@vger.kernel.org
Subject: Re: /bin/sh portability question
Date: Fri, 23 Sep 2005 13:00:45 -0700	[thread overview]
Message-ID: <43345EED.5060706@zytor.com> (raw)
In-Reply-To: <20050923195706.GV27375@ca-server1.us.oracle.com>

Joel Becker wrote:
> On Fri, Sep 23, 2005 at 12:48:39PM -0700, H. Peter Anvin wrote:
> 
>>Peter Eriksen wrote:
>>
>>>     path=$(dirname $0)
>>>...
>>>     ./git.sh: syntax error at line 4: `path=$' unexpected
>>
>>I think $(foo) is required by POSIX.
> 
> 
> 	I believe that Solaris and others (AIX IIRC) have /bin/sh linked
> to /bin/ksh, and it behaves as the POSIX shell when run as /bin/ksh, but
> behaves as a much more true-to-bourne shell when run as /bin/sh.
> 

But "sh" is required to be the POSIX shell (XSH page 850.)

Thus, they might have some braindamage where /usr/bin/sh is the POSIX 
shell and /bin/sh is a braindead shell.  Sigh.

	-hpa

      reply	other threads:[~2005-09-23 20:01 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-09-23  7:50 /bin/sh portability question Peter Eriksen
2005-09-23  8:24 ` Junio C Hamano
     [not found]   ` <54643.10.10.10.28.1127466177.squirrel@linux1>
2005-09-23  9:02     ` Sean
2005-09-23  9:19       ` Junio C Hamano
     [not found]         ` <39450.10.10.10.28.1127471685.squirrel@linux1>
2005-09-23 10:34           ` Sean
2005-09-25 19:26           ` Nico -telmich- Schottelius
     [not found]             ` <33541.10.10.10.28.1127677005.squirrel@linux1>
2005-09-25 19:36               ` Sean
2005-09-23  9:07 ` Junio C Hamano
2005-09-23 12:17   ` Peter Eriksen
2005-09-24  1:13     ` Junio C Hamano
     [not found]       ` <20050924195029.GA20514@bohr.gbar.dtu.dk>
2005-09-24 21:31         ` Junio C Hamano
2005-09-24 17:35   ` Patrick Mauritz
2005-09-23 19:48 ` H. Peter Anvin
2005-09-23 19:55   ` Morten Welinder
2005-09-23 19:57   ` Joel Becker
2005-09-23 20:00     ` H. Peter Anvin [this message]

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