From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 13772 invoked by alias); 7 Oct 2003 22:48:57 -0000 Mailing-List: contact gdb-patches-help@sources.redhat.com; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sources.redhat.com Received: (qmail 13765 invoked from network); 7 Oct 2003 22:48:56 -0000 Received: from unknown (HELO epic.mail.pas.earthlink.net) (207.217.120.181) by sources.redhat.com with SMTP; 7 Oct 2003 22:48:56 -0000 Received: from ip216-26-76-90.dsl.du.teleport.com ([216.26.76.90] helo=kanga.canids.net) by epic.mail.pas.earthlink.net with esmtp (Exim 3.33 #1) id 1A70dS-0007hL-00; Tue, 07 Oct 2003 15:48:54 -0700 Received: from grayscale.local (grayscale.local [192.168.1.4]) by kanga.canids.net (Postfix) with ESMTP id 15D3B158F81; Tue, 7 Oct 2003 15:48:54 -0700 (PDT) From: Felix Lee To: Jim Blandy Cc: gdb-patches@sources.redhat.com Subject: Re: RFC: Use program_transform_name correctly In-Reply-To: Message from Jim Blandy of "07 Oct 2003 16:41:35 CDT." Date: Tue, 07 Oct 2003 22:48:00 -0000 Message-Id: <20031007224854.15D3B158F81@kanga.canids.net> X-SW-Source: 2003-10/txt/msg00177.txt.bz2 Jim Blandy : > ! t='$(program_transform_name)'; echo runtest | sed -e '' $$t; \ it looks to me like this is written for a program_transform_name that's a concatenated list of -e options. the -e '' will keep sed from complaining if program_transform_name is null. I remember at some point in the past, sometimes program_transform_name was a semicolon-separated list of sed commands, sometimes it was a list of sed -e options. Don't know if it's consistent now. --