Mailing-List: contact cygwin-help AT sourceware DOT cygnus DOT com; run by ezmlm
List-Subscribe: <mailto:cygwin-subscribe AT sources DOT redhat DOT com>
List-Archive: <http://sources.redhat.com/ml/cygwin/>
List-Post: <mailto:cygwin AT sources DOT redhat DOT com>
List-Help: <mailto:cygwin-help AT sources DOT redhat DOT com>, <http://sources.redhat.com/ml/#faqs>
Sender: cygwin-owner AT sources DOT redhat DOT com
Delivered-To: mailing list cygwin AT sources DOT redhat DOT com
Message-ID: <3BBC12B6.D4A82246@syntrex.com>
Date: Thu, 04 Oct 2001 09:41:42 +0200
From: Pavel Tsekov <ptsekov AT syntrex DOT com>
Organization: Syntrex Inc.
X-Mailer: Mozilla 4.76 [en] (X11; U; Linux 2.4.2-2 i686)
X-Accept-Language: en
MIME-Version: 1.0
To: Jorge Goncalvez <goncal11 AT col DOT bsf DOT alcatel DOT fr>
CC: cygwin AT sources DOT redhat DOT com
Subject: Re: sed issue
References: <200110040707 DOT JAA02558 AT cabs40 DOT col DOT bsf DOT alcatel DOT fr>
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit

Jorge Goncalvez wrote:
> 
> Hi, I have this code:
> sprintf(buf, "arp -d %s; arp -s %s %s ",
>                         a, a, print_hw_addr(htype, hlen, haddr));
> 
> 
> What I wanted to do is to take the third %s which is like this:
> XX:XX:XX:XX:XX:XX to tranform it like this
> XX-XX-XX-XX-XX-XX
> 
> I tried this:
> 
>   sprintf(buf, "arp -d %s; arp -s %s `echo %s | sed -g s/:/-/`",
>                    a, a, print_hw_addr(htype, hlen, haddr));
> 
> But it didn't work why?

Do you pass the "buf" to a "system" or "execxx" call or
you just exepect the buffer to be filled with the appropriate
info after the "sprintf" ?

--
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple
Bug reporting:         http://cygwin.com/bugs.html
Documentation:         http://cygwin.com/docs.html
FAQ:                   http://cygwin.com/faq/