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From: Jonathan Nieder <jrnieder@gmail.com>
To: Michael J Gruber <git@drmicha.warpmail.net>
Cc: Git Mailing List <git@vger.kernel.org>
Subject: Re: POSIX woes in t7810.87: dash bash or bash dash?
Date: Mon, 20 Jun 2011 06:04:41 -0500	[thread overview]
Message-ID: <20110620110440.GA29270@elie> (raw)
In-Reply-To: <4DFF19C4.5070003@drmicha.warpmail.net>

Hi Michael,

Michael J Gruber wrote:

> echo "a\"b\n\"c"
> a"b
> "c
>
> t7810.87 breaks with dash because of this. Escaping the \n does not make
> the test work with both either.

This seems to have slipped by because testing it requires USE_LIBPCRE
to be set.  Thanks for catching it.

> So I'd like to know which one's right
> and (independently) how to make it work for both...

Both are right.  The simplest fix is to use printf, as in

	printf "%s\n" "a\"b\n\"c"

See [1] and [2].

Regards,
Jonathan

[1] http://www.gnu.org/s/hello/manual/autoconf/Limitations-of-Builtins.html#echo
[2] http://pubs.opengroup.org/onlinepubs/9699919799/utilities/echo.html

  reply	other threads:[~2011-06-20 11:04 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-20  9:58 POSIX woes in t7810.87: dash bash or bash dash? Michael J Gruber
2011-06-20 11:04 ` Jonathan Nieder [this message]
2011-06-20 17:13   ` Jeff King
2011-06-20 21:46 ` Junio C Hamano
2011-06-20 23:24   ` Jeff King
2011-06-20 23:31     ` Junio C Hamano
2011-06-21  0:21       ` Jeff King

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