From: Pavel Roskin <proski@gnu.org>
To: Joerg Albert <jal2@gmx.de>
Cc: "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
"Luis R. Rodriguez" <mcgrof@gmail.com>
Subject: Re: [PATCH] compat-2.6: Makefile: fixed test expressions for target install
Date: Fri, 31 Jul 2009 14:56:04 -0400 [thread overview]
Message-ID: <1249066564.20276.3.camel@mj> (raw)
In-Reply-To: <4A733CDE.4060801@gmx.de>
On Fri, 2009-07-31 at 20:50 +0200, Joerg Albert wrote:
> joerg@thinkpad:~$ echo $BASH_VERSION
> 3.2.39(1)-release
> joerg@thinkpad:~$ if [ -z "" && -z "" ]; then echo "both empty"; fi
> bash: [: missing `]'
> joerg@thinkpad:~$ if [ -z "" -a -z "" ]; then echo "both empty"; fi
> both empty
> joerg@thinkpad:~$ if [[ -z "" && -z "" ]]; then echo "both empty"; fi
> both empty
> joerg@thinkpad:~$
No, I didn't mean that. I meant:
if [ -z "" ] && [ -z "" ]; then echo "both empty"; fi
> If the link for the man page of bash v1 on http://wwwbs.informatik.htw-dresden.de/fbs/bash/old.bash.html is correct,
> that version supported -a in test.
> Unfortunately [[ ... ]] was introduced after bash v1 (2.02 AFAIR).
We should not rely on any bash features as /bin/sh may not be bash at
all.
--
Regards,
Pavel Roskin
next prev parent reply other threads:[~2009-07-31 18:56 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-30 21:25 [PATCH] compat-2.6: Makefile: fixed test expressions for target install Joerg Albert
2009-07-30 21:42 ` Pavel Roskin
2009-07-31 18:50 ` Joerg Albert
2009-07-31 18:56 ` Pavel Roskin [this message]
2009-07-31 19:04 ` Luis R. Rodriguez
2009-07-31 23:15 ` Joerg Albert
2009-07-31 23:22 ` Luis R. Rodriguez
2009-08-01 10:39 ` Joerg Albert
2009-08-05 18:32 ` Luis R. Rodriguez
2009-07-31 23:21 ` [PATCH v2] " Joerg Albert
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