Date: Mon, 2 Dec 2002 14:20:44 +0100 (CET) From: Andrew Prewett <andrew@kronos.HomeUnix.com> To: questions@FreeBSD.ORG Subject: Re: is there a "replace command" ? Message-ID: <20021202140543.G19865-100000@slave.east.ath.cx> In-Reply-To: <XFMail.20021202064129.conrads@cox.net>
next in thread | previous in thread | raw e-mail | index | archive | help
Today Conrad Sabatier wrote: > > On 02-Dec-2002 Malik Bülent wrote: > > On Freebsd4.x > > I have a file. I want to change some expressions with new ones > > For example a file > > touch /var/qmail/1 > > touch /var/qmail/2 > > touch /var/qmail/3 > > touch /var/qmail/4 > > touch /var/qmail/5 > > touch /var/qmail/6 > > I want to change "touch" with "rm" > > How can i replace a newones in stead of a lot of expressions in a file > > on > > FreeBSD ? > > Which command(s) do i have to use ? > > Recent versions of FreeBSD now have a version of 'sed' that can do these > types of replacements "in place", i.e., without the need for a temporary > file: No. I'm pretty sure, there is a temporary file somewhere. You can't edit a file `in place' really, w/o a need temporary files (or ev. memory mapping the file). With the `-i' flag sed does this for you, ie. no need that you create a temporary file. -andrew > > sed -i -e 's/^touch /rm /' infile > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20021202140543.G19865-100000>