X-Recipient:	archive-cygwin AT delorie DOT com
X-SWARE-Spam-Status:	No, hits=-1.8 required=5.0 tests=AWL,BAYES_00,SARE_MSGID_LONG40,SPF_PASS
X-Spam-Check-By:	sourceware.org
MIME-Version:	1.0
In-Reply-To:	<af0faace0906042210g70bfbe65n34c9a7f3079eb148@mail.gmail.com>
References:	<af0faace0906042210g70bfbe65n34c9a7f3079eb148 AT mail DOT gmail DOT com>
Date:	Fri, 5 Jun 2009 01:51:12 -0400
Message-ID:	<f60fe000906042251l235275feib2bd01e16845dda1@mail.gmail.com>
Subject:	Re: Why bash failed to match this pattern?
From:	"Mark J. Reed" <markjreed AT gmail DOT com>
To:	cygwin AT cygwin DOT com
X-IsSubscribed:	yes
Mailing-List:	contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Id:	<cygwin.cygwin.com>
List-Unsubscribe:	<mailto:cygwin-unsubscribe-archive-cygwin=delorie DOT com AT cygwin DOT com>
List-Subscribe:	<mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive:	<http://sourceware.org/ml/cygwin/>
List-Post:	<mailto:cygwin AT cygwin DOT com>
List-Help:	<mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender:	cygwin-owner AT cygwin DOT com
Mail-Followup-To:	cygwin AT cygwin DOT com
Delivered-To:	mailing list cygwin AT cygwin DOT com

On Fri, Jun 5, 2009 at 1:10 AM, Pan ruochen wrote:
> Hi All,
>
> My current version of bash on cygwin failed to match this pattern:
> *******************************
> target=3Dar
> if [[ "$target" =3D~ '^a' ]]; then
> =C2=A0 =C2=A0echo Matched
> else
> =C2=A0 =C2=A0echo Unmatched
> fi

Not a Cygwin question.; that fails in any bash.  The quotes suppress
the special meaning of ^ and make it try to match literally.  Lose
them:

if [[ "$target" =3D~ ^a ]]; then
...


--=20
Mark J. Reed <markjreed AT gmail DOT com>

--
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple
Problem reports:       http://cygwin.com/problems.html
Documentation:         http://cygwin.com/docs.html
FAQ:                   http://cygwin.com/faq/

- Raw text -