Return-Path: 
 <user-return-61863-apmail-ant-user-archive=ant.apache.org@ant.apache.org>
Delivered-To: apmail-ant-user-archive@www.apache.org
Received: (qmail 54928 invoked from network); 20 Aug 2007 17:26:05 -0000
Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2)
  by minotaur.apache.org with SMTP; 20 Aug 2007 17:26:05 -0000
Received: (qmail 45384 invoked by uid 500); 20 Aug 2007 17:25:58 -0000
Delivered-To: apmail-ant-user-archive@ant.apache.org
Received: (qmail 45356 invoked by uid 500); 20 Aug 2007 17:25:58 -0000
Mailing-List: contact user-help@ant.apache.org; run by ezmlm
Precedence: bulk
List-Unsubscribe: <mailto:user-unsubscribe@ant.apache.org>
List-Help: <mailto:user-help@ant.apache.org>
List-Post: <mailto:user@ant.apache.org>
List-Id: "Ant Users List" <user.ant.apache.org>
Reply-To: "Ant Users List" <user@ant.apache.org>
Delivered-To: mailing list user@ant.apache.org
Received: (qmail 45345 invoked by uid 99); 20 Aug 2007 17:25:58 -0000
Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136)
    by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 20 Aug 2007 10:25:58 -0700
X-ASF-Spam-Status: No, hits=-0.0 required=10.0
	tests=SPF_PASS
X-Spam-Check-By: apache.org
Received-SPF: pass (athena.apache.org: local policy)
Received: from [206.190.58.158] (HELO web55109.mail.re4.yahoo.com)
 (206.190.58.158)
    by apache.org (qpsmtpd/0.29) with SMTP; Mon, 20 Aug 2007 17:25:52 +0000
Received: (qmail 43423 invoked by uid 60001); 20 Aug 2007 17:25:29 -0000
DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws;
  s=s1024; d=yahoo.com;
  h=X-YMail-OSG:Received:Date:From:Subject:To:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-ID;
  b=1w1GhfjaQL2w2WQZZkWeWSQ47cnO6czqTC1mYUyIAHcYxwqZjipDtNuHITsK75Gsw/hYjkesSaDmvnCEYLAduvajAvmbohJnvsYVhRAFECrCCw22jfF96IxxqMysd6vfJ5AcALZPYgV7rXXTlgFjxT3qpbgg6U1BgFrcpp2/z0I=;
X-YMail-OSG: 
 OmMFaNkVM1keqsI17EsV40ach6OHTVkwcrwFXYfS8lcenVEcSm3FNWNZhff6ad2RrTuIN.lkFrmUaP6wpu27OnyNEB8k0NFkoOElR_rIPPxcFX1WMcTbcYjSRMIyiQ--
Received: from [67.142.130.31] by web55109.mail.re4.yahoo.com via HTTP;
 Mon, 20 Aug 2007 10:25:29 PDT
Date: Mon, 20 Aug 2007 10:25:29 -0700 (PDT)
From: Matt Benson <gudnabrsam@yahoo.com>
Subject: RE: for task with inline exec?
To: Ant Users List <user@ant.apache.org>
In-Reply-To: 
 <327BBBAD6F12294EAD9934A2BB5E769B052E763E@MSGDALCLN2WIN.DMN1.FMR.COM>
MIME-Version: 1.0
Content-Type: text/plain; charset=iso-8859-1
Content-Transfer-Encoding: 8bit
Message-ID: <669213.43017.qm@web55109.mail.re4.yahoo.com>
X-Virus-Checked: Checked by ClamAV on apache.org


--- "Ditrick, Gregory" <gregory.ditrick@fmr.com>
wrote:

> Not a bad idea to use <ac:shellscript>, if you are
> not doing cross
> platform stuff.
> The use of a lot of this type of thing,
> <ac:shellscript>, can make the
> ant script platform dependent or you will require
> additional products
> like Cygwin for Windows.
> 
> Using redirectors can make this type of thing
> platform independent.
> But, I've found that you usually have to use
> intermediate flat files to
> re-create all the pipes.  This then has the cost of
> I/O, but gives you
> an the desired platform independent scripts.
> 

I confess myself curious to see a exec/redirector
situation so complex it cannot be solved by nested
filterchains.  I'm sure it's possible to concoct such
a scenario, but most real-world requirements I would
imagine can be done in a single pass.

FWIW,
Matt

> So, you have to weigh the solution with big picture.
>  If you are never
> ever going to another platform like Microsoft then
> definitely use the
> <ac:shellscript> task.  If there is any chance of
> going to Microsoft use
> redirectors and intermediate files.
> 
> Using intermediate files then you use the <exec>
> task with a command in
> a property like ${os.filedump.cmd} and redirectors
> to get your desired
> output.  In a os specific properties file you'll set
> os.filedump.cmd to
> the desired command: i.e. cat for unix, type for
> windows, etc.  A lot
> more work, but will save you a lot of time if you
> have to move your
> script from Unix to Windows.  And then you are not
> dependent on Cygwin
> being installed on the Windows box.
> 
> Again, you must weigh and see the big picture: if
> the ant script will
> never ever be ran on Windows, then use
> <ac:shellscript>.  Or, you'll be
> okay if having Cygwin install on the Windows box is
> not a big burden
> (lots of boxes or don't have admin rights on all
> Windows' boxes).
> 
> My 2 cents on the subject.   
> 
> Keep smiling,
> 
> GregD
> 6-8309
> 
> -----Original Message-----
> From: Vihan Pandey [mailto:vihanpandey@gmail.com] 
> Sent: Monday, August 20, 2007 10:35 AM
> To: Ant Users List
> Subject: Re: for task with inline exec?
> 
> > Why not use shellscript?
> 
> didn't think of it :-)
> 
>
---8-<-------8-<-------8-<-------8-<-------8-<-------8-<-------8-<------
> -8-<----
> 
> <shellscript shell="bash" outputproperty="js.list">
>      cat deploy.properties | grep .js-version| sed
> s/.js-version=v.[0-9]*/,/g | tr -d '\n' | sed
> s/,$//g
> </shellscript>
> 
> <echo>JS list: ${js.list}</echo>
> 
>         <for list="${js.list}" param="myval">
> 
>           <sequential>
> <replace dir="${docroot-re01}"
> token="/javascripts/@{myval}.js"
>
value="http://js.cleartrip.com/javascripts/@{myval}.${@{myval}.js-versio
> n}.js"
> >
> <include name="**/*.html"/>
> <include name="**/*.shtml"/>
> </replace>
>           </sequential>
>         </for>
> 
>
---8-<-------8-<-------8-<-------8-<-------8-<-------8-<-------8-<------
> -8-<----
> 
> Now it works beautifully :-)
> 
> Thanks a million Jan and Peter !!!
> 
> Regards,
> 
> -vihan
> 
>
---------------------------------------------------------------------
> To unsubscribe, e-mail:
> user-unsubscribe@ant.apache.org
> For additional commands, e-mail:
> user-help@ant.apache.org
> 
> 
> 
> 
>
---------------------------------------------------------------------
> To unsubscribe, e-mail:
> user-unsubscribe@ant.apache.org
> For additional commands, e-mail:
> user-help@ant.apache.org
> 
> 



       
____________________________________________________________________________________
Sick sense of humor? Visit Yahoo! TV's 
Comedy with an Edge to see what's on, when. 
http://tv.yahoo.com/collections/222

---------------------------------------------------------------------
To unsubscribe, e-mail: user-unsubscribe@ant.apache.org
For additional commands, e-mail: user-help@ant.apache.org