Sed stands for Stream EDitor - one of the basic tools in the POSIX environment. It processes one or more files according to an editing script and writes the results to standard output. Created in Bell Labs, it has been around since mid-70s.

learn more… | top users | synonyms

-1
votes
1answer
15 views

sed + search word with strings and replaced all word

I want to create with sed the following: for example each word in the file that have the "ssss..." Should be replaced (all word) with target string as gggg echo "duwdbnhb ssssssmnfkejfnei" | sed ...
0
votes
1answer
22 views

Find and replace text (multichars) in .js files on Linux

I have many .js files named the same (got.js) where i just need to find and replace some text on them. The text to find is: \x72\x6Fx75\x6E And is to be replaced with: \x72\x6F\x75\x6E (just a \ in ...
-1
votes
1answer
46 views

How to use the awk,sed Modify the text?

As follows, some text 16G 16G 1.9G 40G 4G 4G 952M 60G 16G 16G 1.6G 40G 5G 780M 5G 80G I want to change all the unit from 'M' to 'G', like this 16G 16G ...
2
votes
0answers
48 views

Linux bash: Search and replace in file without escaping hassle [migrated]

Is there any bash solution to do a simple "search and replace" without escaping hassle? I try to replace <!-- JavaScript --> in an html file with the content of a complex javascript file. I ...
0
votes
0answers
12 views

Environment variable Name Set in Path Not converted to its set value

I created a system environment variable SD_HOME to set the location of SED application on windows server 2008 R2 Datacenter and referenced the same variable in PATH system variable as ;%SD_HOME%\bin;. ...
1
vote
2answers
64 views

how to get value of var in file with sed [closed]

i would like to to that : The file containe : VAR_1|VALU_1 VAR_2|VALU_2 VAR_3|VALU_31 VALU_31 VALU_33 VAR_4|VALU_4 VAR_5|VALU_5 VAR_6|VALU_61 VALU_62 VAR_7|VALU_7 ..... How can i get the value of a ...
0
votes
2answers
73 views

Prepend String using perl/awk/sed?

I'm trying to script a change to my apache config file (httpd.conf). I'm trying to match the following string: # # DirectoryIndex: sets the file that Apache will serve if a directory And PREPEND ...
0
votes
1answer
26 views

delete a line if it contain a particular match from a file in bash

I have a file contain lines like the following. 10 TEST NO SOMETHING 20 TEST YES SOMETHING 101 TEST YES SOMETHING 100 TEST NO SOMETHING How can I delete only the line that ...
-2
votes
2answers
113 views

how to replace one url with another using sed inplace replace in multiple files?

As you can see in the script example down there, I'm trying to find and replace (inplace replace) a string which is part of an URL with another string (url part) within ALL files found with that ...
0
votes
1answer
216 views

Sed - extract only parts of file with certain timestamps

I work with log files on a daily basis. I have been using sed to accomplish my goal of extracting certain lines of data between to time stamps. For example, I use: sed '/20150720 15:06:00/,/20150720 ...
0
votes
3answers
758 views

sed replace unix path with variable that contain another unix path [closed]

I need to replace Unix path via sed with variable that contain another unix path in a bash script Example: another_unix_path=/another/unix/path sed -i 's/ \/some\/path\/file.txt/ ...
2
votes
1answer
62 views

how to get the desired value in bash shell from the lshw output?

I want to extract the info from lshw output where it says: -cpu product: ...... I want only the product info of this -cpu. How can I do that with awk or sed?
1
vote
1answer
76 views

ssh remote command execution quoting

I found this solution that works for me, but I don't understand how it does work given that the sed command encloses its own parameter in single quotes, and the whole ssh command is also passed in ...
1
vote
1answer
51 views

How to using sed to change the last character from a match line

How to using sed to change the last character from a match line ? Exemple: /etc/network/interfaces auto eth0 iface eth0 inet static address 150.0.3.50 netmask 255.255.255.0 ...
0
votes
0answers
40 views

Mysql sed error

I upgraded mysql from 5.5 to 5.6 in Debian 7 Wheezy box via apt-get command and all seems fine, but when I restart mysql, I get: [info] Stopping MySQL Community Server 5.6.23. ...... [info] MySQL ...
3
votes
2answers
647 views

Split large log file WITHOUT keeping the original (splitting in-place)

I have a 226GB log file, and I want to split it up into chunks for easier xzing. Problem is I only have 177GB of space left in my workable space. Is there a way to split a file in half or into N ...
-2
votes
1answer
563 views

How to insert text from a file into another in bash [closed]

The content in fileA is: Here’s the ip list. ip: 2.2.3.4 ip: 2.2.3.5 ip: 2.2.3.6 ip: 2.2.3.7 The content is fileB is ip: 1.2.3.4 ip: 1.2.3.5 ip: 1.2.3.6 ip: 1.2.3.7 How to use sed command or ...
1
vote
1answer
91 views

How to substitute a string from an awk result?

I have a JSON file which contain multiple occurrence of replaceme. I only want to substitute an occurrence based on a specific string found a few line above. E.g., [...] "title" : { ...
3
votes
2answers
159 views

How can I use Puppet to Enforce Local Group Membership?

Cross posting this from Ask@PuppetLabs. (There simply isn't enough traffic there.) I've seen a number of examples for adding users to %wheel with Augeas. These are all variations of the same thing; ...
0
votes
3answers
544 views

Modify config file settings from bash [closed]

I need to modify a config file from a bash script, changing the values of particular settings. I need to make the change using common Linux tools (sed/awk/tr/etc.). The config file can have ...
0
votes
2answers
70 views

How to use a variable in a sedscript

I set a variable in a shell script I then call a sed script and in the sed script I use the variable That does not seem to work and I needed help on how to achieve that Following works at the ...
0
votes
2answers
176 views

Replace date in epoch (seconds) format to normal in a log file

I am on a ubuntu machine trying to read from log files and found the logs contain date and time in epoch format(seconds). How can I convert these dates in numbers into any readable format from command ...
-1
votes
1answer
870 views

sed, replace in linux http://cdn1 with https://cdn1

I want to replace http://cdn1.domain.com with https://cdn1.domain.com in 200 .html files and I don't know how to do that with sed. Can somebody help me with this? sed -i ...
0
votes
1answer
265 views

sed comand - remove virus from wordpress [duplicate]

I have malicious code in every php file. This malicius code is auto paste at the beginning of file. I want to remove this with UNIX command from console. This is malicious code: <?php ...
0
votes
1answer
2k views

sed fix for BusyBox - boot fail unable to mount LVM

BusyBox why u no vi?! Summary: Ubuntu 14.04 Server after upgrade first boot, only boots to BusyBox v1.21.1 initramfs with "gave up waiting for root device" due to missing /dev/mapper/xxx-root as ...
1
vote
0answers
49 views

SED returning error 2 when launched by Wpkg

Case I am deploying a software product using Wpkg over Windows workstations. I need to disable product's faulty automatic update and the best solution in this case is to modify one configuration file ...
1
vote
5answers
298 views

How to split the output into different files?

I have a input file like foo xxx yyy zzz foo xxx yyy zzz foo xxx yyy zzz foo xxx yyy zzz bar xxx yyy zzz bar xxx yyy zzz foo xxx yyy zzz .. How to split the input file by line, into foo.txt ...
-1
votes
3answers
188 views

Why a sed command stop my log file to be written to?

I launch on a Gnu/Linux server an application myApp: ./myApp &>myApp.log & Of course, the log file will soon become huge. I would like to use sed to reduce it (I'm aware of logrotate ...
1
vote
1answer
1k views

Replacing LineFeed \x0a with SED

I have to delete lots of Linefeeds (Hex \x0a) in a logfile. I just have sed to solve the problem. It is a bit complicated I know.. Do you have idea how to solve the problem? Here is an example ...
0
votes
2answers
134 views

Why does this bash command sometimes return a blank string?

I have the following line to generate a random number: head -c 3 /dev/urandom | hexdump | sed -e 's/[0 a-z]//g' | head -c 1 This works fine but sometimes (very few) it returns a new line. Does ...
0
votes
1answer
261 views

Invalidating email addresses from sql dump before import

Synopsis I would like to import production data into the development environment so testing can be done in an almost accurate way. Of course I need to invalidate e-mail addresses as I don't want ...
0
votes
3answers
86 views

Tinydns data file change ip with bash

I am using tinydns and need to dynamicly change some ip in data file. I want to use bash script for it. For example data file: +sub1.example.org:282.196.222.245:14400 ...
1
vote
1answer
144 views

Sed to replace/merge line in etc/group

I have a list of users from 1 command - getent group ldap-group|cut -c 32-700 This gives me a list of users in the form user1,user2,user3... I would like to insert this into /etc/group under ...
1
vote
1answer
160 views

iptables arp compare and execute

EXAMPLE: iptables :internet - [0:0] -A internet -m mac --mac-source 48:5D:60:FC:29:B0 -j RETURN COMMIT [root@localhost:~ ] $ arp Address HWtype HWaddress Flags Mask ...
1
vote
1answer
139 views

Wrangling sed to find and reformat login date (or, how to kill idle mosh-server processes)

I have an old method of killing idle mosh-server processes, which doesn't work on my new VPS. Here's the old method, which I run in root's crontab to clean up mosh processes that have been idle for ...
1
vote
2answers
280 views

Long string insertion with sed

I am trying to use this expression to insert the contents of one text file into another after a give string. This is a simple bash script: TEXT=`cat file1.txt` sed -i "/teststring/a \ ...
0
votes
1answer
209 views

sed -i does not work when run with sudo

The file I want to modify belongs to root. I want to change this file with a sudo-er sudo sed -i 's/Accept .* LC_\*$/& GIT_*/' /etc/ssh/sshd_config (trying to append GIT_* to the Accept sshd ...
2
votes
1answer
639 views

How to remove malware code from javascript file using sed

I found the following two different pattern in some hacked javascript files. <!--2d3965--> some code <!--/2d3965--> /*2d3965*/ some code /*/2d3965*/ I am able to remove the first ...
1
vote
2answers
163 views

Deleting inserted content in multiple files on linux server

I often have problem with sites that get hacked. Usualy they end up with inserted script in different files. Is there a way, on linux, to search for this content and automaticaly delte it ? Usualy ...
1
vote
1answer
145 views

sed inline replacement and without having to create a file [closed]

I'm trying to do a replacement inline in a configuration file after defore deploying this file. I looked in the sed documentation but I can't get it working. Even with -e For now I mv into .back file ...
-1
votes
1answer
566 views

sed regexp for replacing xxx in define('DB_PASSWORD', 'xxxx');?

I'm looking for a regexp to quickly replace the password inside the following wp-config file, like so: define('DB_PASSWORD', 'xxxx'); Now the config file has many defines, so it essential to only ...
0
votes
2answers
360 views

Procmail - Replace From with text from within email

I am trying to use Procmail to filter through mail that goes to my ticket channel in WHMCS. It works fine as far as piping goes. But emails from the Zopim live chat module on the site need filtering ...
1
vote
1answer
2k views

How do I replace specific line positions in sed?

I need to be able to use sed (or anything else) to replace a specific line position, I'm Googleing and can't find anything (yet). * UPDATE * this is what I came up so far.. sed ...
0
votes
1answer
202 views

Changing Zone files with sed

I have this dns zone file I was unable to change the resource record type A to CNAME @ IN SOA ns1.domain.com. webdev.domain.com. ( 2006080101 ; serial 8H ; refresh 2H ...
0
votes
2answers
498 views

GREP find and use SED to replace string on all files

One of our old hosted Joomla sites suffered a JavaScript injection, and im going through cleaning it up. The following code was inserted into every .php or .js file: <? #0c0896# echo " <script ...
0
votes
2answers
2k views

sed + how to remove the last string after specific character

how to remove the last string after "." character include the "." character itself implementation can be with sed under Linux/Solaris operation system example of IP address before change ...
1
vote
2answers
68 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. :) ...
2
votes
1answer
84 views

How does this sed command work?

I need to print text between two text fragments. I've found such example, that does exactly what I want, but I don't understand how it's done. Googling is difficult because command does not contain ...
3
votes
4answers
3k views

How to escape “/” in a sed command in Puppet script?

In a config file, I'm trying to replace PREFIX=/jenkins with, say, PREFIX=/foobar. On the (bash) command line, this works fine: sed -i.bak s/PREFIX=\\/jenkins/PREFIX=\\/foobar/g /etc/default/jenkins ...
-1
votes
2answers
772 views

linux/solaris insert date & time at the beginning of each line in file

I want to add date & time at the begging of each line in some file I used sed in order to add the date & time before each line in file please advice what I need to update in my sed in order ...