1
vote
2answers
46 views

I want to filter out two lines from the output of a program [closed]

I have a command that outputs a bunch of data, but I only want two lines. Grep doesn't work because the lines I want are not next to one another. I can't seem to figure out sed... Help please. :) ...
1
vote
1answer
122 views

sed replace inside shell file

I have a shell file which needs to perform a replace of some text in a php file. The line that needs replacing is: $database = $db."_db"; The actual sed command needs to contain a variable so not ...
1
vote
1answer
1k views

use sed in shell script to replace IP Address in a file

I have a script that finds a string in a file replaces it with a new string. $ sed -i 's/$old_string'/'$new_string'/g' $FILENAME Now I need the condition to be a regular expression that also check ...
2
votes
2answers
384 views

Prefix standard output before piping to a command

On Linux (Debian), how can I prefix the standard output of a command with one or several lines before piping it to a second command? This is for mailing the output of a command using sendmail like ...
0
votes
3answers
77 views

shell script + match MAJOR and CRITICAL strings from log file

I need to match lines that have MAJOR and CRITICAL strings that comes after the word ERROR:< any integer number > please advice how to do that with one awk or sed command? more HW_Log.txt ...
0
votes
2answers
310 views

How do I delete a matching line, the lines above and those below in the section?

In nagios config define service{ use generic-service host_name xxx.xxx.com service_description xxx Status check_command ...
3
votes
2answers
579 views

How do I use sed or awk to remove text?

I have the following line in a file: Linux Release............5.4.2.0-02 12_12_2011_07:31:23 How do I remove all characters before the first number with sed or awk? I wish to get the ...
1
vote
6answers
7k views

How to rename multiple files by replacing word in file name?

Replace ACDC to AC-DC For example we have these files ACDC - Rock N' Roll Ain't Noise Pollution.xxx ACDC - Rocker.xxx ACDC - Shoot To Thrill.xxx I want them to become: AC-DC - ...
1
vote
1answer
372 views

shell script to iterate through text files and delete a string

I have a few hundred text files in one directory with lists of users: &usera &userb userc &userd note that some do not lead with the &. Also, in some files, the last line does not ...
1
vote
1answer
1k views

use SED recursively in linux?

I want to implement the following command recursively sed -i 's/href=\"1\//href=\"\/1\//g' ./* so that it replaces all href="1 with href="/1 in all sub-directories. Is there a flag I can add to ...
1
vote
3answers
94 views

Taking this, and making that

I had no idea how to word the title. I need to take an output such as: [~]# cat file user1 domain1.com user2 domain2.com user3 domain3.com and turn it into an output such as: user1 domain1.com ...
3
votes
2answers
221 views

unix script problem

I have a simple script which runs on a FreeBSD machine with the following code: #!/bin/sh `sed -i .bak '\:#start 172.0.0.3:,\:#end 172.0.0.3:d' /usr/local/etc/racoon/racoon.conf` echo $? It should ...
0
votes
1answer
726 views

Cannot cd to parent directory with cd dirname

I have made a bash command which generates a one liner for restarting all Weblogic ( 8,9,10) instances on a server. The script works well but I need a suggestion to make it better using the dirname ...