sed: remove from line X to line Y ??

From: Alan Murrell (swasak_at_hotmail.com)
Date: 06/08/03 

Date: Sun, 08 Jun 2003 19:39:12 GMT

Hello,

I am attempting to write a script that will allow me to remove the entry
from a '/etc/named.conf' file by supplying only the domain name. The
record in '/etc/named.conf' looks like this:

zone "domain.com" {
    type master;
    file "domain.com";
};

I would like to do something like 'grep "domain.com" /etc/named.conf', and
establish that as "line 1', then run sed to remove from "line 1" to "line
4". However, my efforts have been less than successful.

I referred to the "Advanced Bash Scripting Guide" at the Linux Documentation
Project", and I am able to remove specific line numbers by using 'sed -e Xd
/etc/named.conf' (where X is the line number). This counts line numbers
from the top of the file.

I also saw the following reference in the Guide:

  1,/^$/d

which is supposed to "Delete from beginning of input up to, and including
first blank line." But when I run:

  sed -e l,/^$/d /etc/named.conf

This results in the following error:

  sed: -e expression #1, char 2: Extra characters after command

And of course, I did not see a way to input the expression I was looking for
(i.e., 'domain.com')

I would appreciate any pointewrs or advise that you would be able to give me
regarding this.

TIA,

Alan Murrell <swasak@hotmail.com>

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