Mailing-List: contact cygwin-help AT sourceware DOT cygnus DOT com; run by ezmlm List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT sources DOT redhat DOT com Delivered-To: mailing list cygwin AT sources DOT redhat DOT com Message-Id: <200110040707.JAA02558@cabs40.col.bsf.alcatel.fr> Date: Thu, 4 Oct 2001 09:07:11 +0200 (MEST) From: Jorge Goncalvez Reply-To: Jorge Goncalvez Subject: RE:sed issue To: cygwin AT sources DOT redhat DOT com MIME-Version: 1.0 Content-Type: TEXT/plain; charset=us-ascii Content-MD5: wV7LDpW4QUBvsg5nbTQJVQ== X-Mailer: dtmail 1.3.0 @(#)CDE Version 1.4.2 SunOS 5.8 sun4u sparc 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? Thanks a lot for you precious help. -- 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/