Problem using sed to append text to end of each line.

CaptainDerp · 09-05-2016, 02:31 PM

Hello, Im not too great with sed, and need to append the following content to the end of each line within a text file.

Code:

{type master; file /etc/namedb/blockeddomain.hosts;};

Ok, so thats just the text I want to add, heres how Im trying to do it.

Code:

sed -i 's/$/{type master; file "/etc/namedb/blockeddomain.hosts";};/' filename.txt

The problem is when I try to do it, I keep getting an error.

Code:

sed: -e expression #1, char 26: unknown option to `s'

Can anybody help me get this simple task done?

Thank you in advance

allend · 09-05-2016, 07:03 PM

Use an alternative delimiter to separate the parts of the substitute command (e.g. %) so that the forward slashes in the directory name are not interpreted as part of the substitute command.

Code:

sed -i 's%$%{type master; file "/etc/namedb/blockeddomain.hosts";};%' filename.txt

CaptainDerp · 09-05-2016, 10:37 PM

Thank you for the fine response and wonderful solution, I am learning.

pan64 · 09-06-2016, 02:34 AM

or you may protect those / chars using backslash:

Code:

sed -i 's/$/{type master; file "\/etc\/namedb\/blockeddomain.hosts";};/' filename.txt