From: Eric Blake <eblake@redhat.com>
To: cygwin@cygwin.com
Subject: Re: [ANNOUNCEMENT] Updated: dash-0.5.9.1-1
Date: Fri, 24 Feb 2017 14:32:00 -0000 [thread overview]
Message-ID: <a9021f61-284a-2e34-8639-be8e0e03600c@redhat.com> (raw)
In-Reply-To: <58af73f6.57a8ca0a.9eea8.c76d@mx.google.com>
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On 02/23/2017 05:44 PM, Steven Penny wrote:
> On Thu, 23 Feb 2017 12:59:27, Brian Inglis wrote:
>> Some people may continue to need or prefer using bash in POSIX mode.
>
> You might know this already, but "Bash in POSIX mode" is not quite
> POSIX. For
> example, arrays are not defined by POSIX:
You may not know this, but POSIX doesn't forbid extensions. Bash in
POSIX mode does NOT cripple all extensions, merely those that are
incompatible with POSIX. That's why so many people end up writing
#!/bin/sh scripts with bashisms, then get surprised when they break on a
different shell.
If you want a STRICT shell, Debian's posh is even better than dash at
ferreting out use of non-portable extensions.
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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next prev parent reply other threads:[~2017-02-24 14:32 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-17 14:01 Eric Blake (cygwin)
2017-02-23 4:20 ` Steven Penny
2017-02-23 17:50 ` Andrey Repin
2017-02-23 19:46 ` Steven Penny
2017-02-23 19:59 ` Brian Inglis
2017-02-23 20:41 ` Eric Blake
2017-02-24 7:19 ` Yaakov Selkowitz
2017-02-23 23:44 ` Steven Penny
2017-02-24 14:32 ` Eric Blake [this message]
2017-02-24 19:19 ` Brian Inglis
2017-02-23 22:05 ` Andrey Repin
2017-02-23 23:01 ` Tony Kelman
2017-02-23 23:04 ` Eliot Moss
2017-02-23 23:12 ` Kenneth Wolcott
2017-02-23 23:30 ` Vince Rice
2017-02-23 23:35 ` Andrey Repin
2017-02-24 3:16 ` Larry Hall (Cygwin)
2017-02-24 3:18 ` Larry Hall (Cygwin)
2017-02-24 4:57 ` Steven Penny
2017-02-24 14:43 ` Eric Blake
2017-02-24 15:05 ` Lee Dilkie
2017-02-25 16:55 ` Steven Penny
2017-03-01 23:57 ` Matt Seitz (matseitz)
2017-02-23 23:33 ` Steven Penny
2017-02-25 16:46 ` cyg Simple
2017-02-25 17:09 ` Steven Penny
2017-02-27 10:20 ` Csaba Raduly
2017-02-27 12:48 ` Steven Penny
2017-02-27 23:13 ` Duncan Roe
2017-02-28 0:51 ` Steven Penny
2017-02-28 20:52 ` cyg Simple
2017-02-28 21:43 ` Steven Penny
2017-03-01 14:42 ` cyg Simple
2017-03-02 0:22 ` Steven Penny
2017-03-02 3:46 ` Vince Rice
2017-03-02 5:27 ` Steven Penny
2017-03-02 5:31 ` Vince Rice
2017-03-02 12:36 ` Steven Penny
2017-03-02 13:37 ` Marco Atzeri
2017-03-02 14:29 ` Eric Blake
2017-03-02 16:16 ` Nellis, Kenneth (Conduent)
2017-03-02 17:28 ` Brian Inglis
2017-03-02 18:45 ` Eric Blake
2017-03-02 23:23 ` Brian Inglis
2017-03-02 18:28 ` Achim Gratz
2017-03-02 14:31 ` Brian Inglis
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