Questions tagged [sed]
sed is a command-line stream editor for filtering and transforming text.
7,158
questions
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Replacing section in file with sed
I want to replace a section of the xorg file. Can this be done with sed?
Original Section, i.e. replacing everything between 'Section "Screen"' and 'EndSection'...
Section "Screen"
...
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0
answers
31
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sed command to replace multiple patterns
I want to write a sed command, on a Linux amchine, to replace multiple patterns as below
Below are the list of directories and files inside /tmp/felist:
amb/eng/prf.amb
amb/eng/det.amb
bmb/menu.bmb
...
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votes
0
answers
22
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How can I replace spaces with colons with sed without "unknown command: `/'"? [closed]
I want to replace space characters with colon characters with sed.
I tried the following, but it fails:
$ echo 'word1 word2' | sed -e '/s/ /:/g'
sed: -e expression #1, char 5: unknown command: `/'
...
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2
votes
4
answers
166
views
linux command using trim / cut / sed to cut few data in a file
I have the content like below in a /tmp/myfileslist
test1/a/sample1.xls
test2/demo.sh
I want to remove .extentions and content before slash , also slash is to be removed.I want the output as
sample1
...
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-3
votes
3
answers
88
views
add "#"on crontab line
I need to change a line on crontab with a linux command.
I can't find solutions with the sed command. You can help me?
The original line is:
* * * * * root /foo/pluto/minnie.sh
and must become
#* * * ...
0
votes
2
answers
71
views
How to replace two lines at once respecting indentation with sed?
I need help to replace the below 2 lines of code in a Python file with sed. We are loading one Python file which processes some data, so we need to replace the below 2 lines of code with another line ...
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-3
votes
1
answer
37
views
How can find special row and replace special strings
I wrote a todo list script with "add","clear" and "find" argument. I need to pass a "done" argument and script find related row and replace its first column ...
0
votes
4
answers
86
views
How to join lines that meet until pattern until the same pattern occurs
I have a file :
"p1"data
"p2"data
"p3"data
"p1"data
"p2"data
"p3"data
"p2"data
"p3"data
"p1"data
I ...
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1
vote
1
answer
48
views
sed command with five slashes
Any idea what this is supposed to do?
grep -lr . | xargs sed -i '' -e '/ifcfg-wlan0/!s/wlan0/<name of the device>/g'
I've never seen a sed command with five slashes, and I can't find any ...
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vote
2
answers
61
views
Remove lines matching pattern, plus any lines following it matching a different pattern
Let me preface I am not sure if this question has been asked before, I have been Googling for answers but came up short.
I want to use standard Linux/Unix commands (running this on FreeBSD) to exclude ...
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0
answers
23
views
How can place a newline before EVERY individual character in a file? [duplicate]
Ok, I may just be having a dumbass moment. If so, I apologize.
It sounds like a fairly simple task, but I can't get this working:
I'd just like to be able to input a string, and place each individual ...
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2
votes
4
answers
83
views
Remove specific character strings from text file using sed, no change to output file?
Edit: added block quote text
I have a tab delimited text file (acc.paired.txt) of illumina sample names (head):
SRR10598163_R1.fastq.gz SRR8916417_R2.fastq.gz
SRR10598049_R1.fastq.gz SRR10598163_R2....
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4
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60
views
How to remove commas from a certain field in CSV?
There is a field/column in a CSV file Im working with called name, this is always the second field.
The values in this column are like: "Smith, John" "Brady, Tom" "Manning, ...
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votes
3
answers
50
views
Remove hostnames from URL with sed/awk
I got lists of urls with different domains and I want the hostname removed with sed, awk or something similar and only keep the path. There are no urls with port or username@password in it.
input:
...
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-1
votes
1
answer
21
views
search and replace with in a file, with unknown amount of spaces [duplicate]
I am looking for small help on search and replace a string in a file.
my file content
hostssl all all 192.168.10.1/16 pam pamservice=postgresql clientcert= 1
hostssl all ...
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-1
votes
3
answers
109
views
How to replace the contents of out.txt with in.txt in a third file?
I have three files, main.txt, out.txt and in.txt. I want to replace every occurrence of the contents of out.txt in main.txt with the contents of in.txt.
Both out.txt and in.txt may contain multiple ...
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votes
0
answers
27
views
replace hex value to random hex value with the same length in pcap file
I need to replace hex value to random hex value with the same length in pcap file.
I work in debian 10 in bash.
I have pcap file for example with this tcp payload in some packets:
I want to replace ...
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votes
4
answers
51
views
extract user id and 1st inital last name from output
Getting the output of user identity with getent passwd.
How can i change the output from
u12345:John Doe
to
u12345,jdoe
i got it with sed but it it removes u12345 but does give me jdoe
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1
vote
5
answers
47
views
Sed - match up to, but not including, pattern, with newlines included
I have an input that is in a multi-fasta format. Essentially:
>header1
AAAAAATTTTCCCCGGGG
AAAATGTGTGTCTCTCTC
ATAGGATGAGT
>header2
GGGGTGTGTGATGTAGTA
AAAATGTGTGTCTCTCTC
ATAGGATGAGT
....
>...
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5
answers
80
views
How to replace a 10 digit sequence using sed
Using 'sed' I want to replace any 10 digit sequence with 1234567890
This works but is not very elegant
echo "code=1111111111" | sed 's/[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]/...
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1
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22
views
How to delete the whole row when it starts with 'H' in a comma separarted csv file [closed]
How to delete the whole row when it starts with 'H' in a comma separated csv file for below example,
H,NYR,257,10,11,000, TESTING,055,000,2023-05-10
D,NYR,257,10,11,000, TESTING,055,000,2023-05-10
H,...
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3
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81
views
Need assistance with awk/sed to identify/mark duplicate IP addresses
Good day.
I have a text file which contains pod/node names and associated IPv6 addresses of which two pods have the same IP address, first pod k8-worker0001c-cif-9d86d6dd4-vf9b9 and last pod k8-...
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votes
2
answers
34
views
Use changing string as template for insert via bash
I have a file that needs some inserts. The inserts are depending on existing strings within the file which i can identify with a keyword in the corresponding file. The insert itself is supposed to ...
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3
votes
6
answers
227
views
How to reverse lines inside repeated blocks in a text file (using sed/awk?)
I have a file like this:
x = {
y = {
z = {
block = {
line1
line2
line3
}
}
}
}
x2 = {
y2 = {
block = ...
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54
views
Get coordinates with xdotool upon user click and use them in an automation script
I am trying to prompt the user "Click the confirm button" and use the coordinates as a variable in a script.
If the user clicks at 1285 786, I would like to click this coordinate once and ...
3
votes
3
answers
335
views
Find files matching one pattern, but not another, using grep, awk or sed [duplicate]
I need to locate .php and .pl files that do not contain one string (e.g. aaa), but do contain another (e.g. bbb).
I'm currently using this command:
find /path/ \( -iname '*.php*' -or -name '*.pl*' \) -...
- 2,460
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28
views
list all the lines of an output that are not in the contents of another file
I have a directory of files. I want to check which of these files are not listed in the contents of another file, (content.txt).
content.txt contains the file names, but also contains some text before ...
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4
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66
views
sed: Replacing successful as the condition
I bumped into an excellent use of sed to do replacing, and use its successful state as the condition to print the line:
$ seq 3 | sed -n 's/2/B/ p'
B
I'm wondering if this short form can be extended ...
- 1,093
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votes
1
answer
43
views
Replace xdotool key value with user input
I am trying to write a script that allows a user to input a number and change an xdotool key value to that input. Key inputs in xdotool must be separated by a space, for example
xdotool key 1 2 8;
So ...
10
votes
8
answers
1k
views
Convert only all-uppercase lines to lower-case
As an example, say I have:
One, Two.
OnE, Two.
ONE, TWO.
And I want to replace only the lines with all upper-case with lower case so that I get:
One, Two.
OnE, Two.
one, two.
I am trying:
gsed '/[a-...
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votes
1
answer
46
views
Breaking command output into new lines instead of refreshing the same line
I'm trying to write a script that involves SnapRAID, where the progress output of snapraid sync is timestamped and logged to both a file and stdout. The issue I am facing is that snapraid sync outputs ...
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votes
1
answer
42
views
Correcting typo in PDF, other solutions aren't working
I have a job interview on Tuesday, and I need to correct a typo "obestiy" [sic] to "obesity" in a PDF from LaTeX that I cannot recompile due to missing images and tables.
I have ...
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3
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113
views
Adding 10 whitespace characters using sed
I have written a script that replaces a string, but I need to add the 10 whitespace characters back. I can add it back by pressing space 10 times, and that works, but this looks hideous in my script.
...
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votes
2
answers
53
views
Perform search for text formatting on last row of text using awk or sed
I have output with many rows. The number of rows on the output is inconsistent. Is there a way that the last row can be selected so that a character may be found and replaced? If not using awk or sed, ...
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1
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3
answers
84
views
Extract version number from github repo
Hello I'm trying to extract a version number from a github release site. Which I later need for a Ansible role.
For example I want to get the exact neovim version number of the latest release from ...
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2
votes
3
answers
187
views
Replace the last half in every line of a file with corresponding part in another file
I have two files A and B. Every line in both files is considered an item. The format of every item is fixed, consisting of a key and description, separated by a space. as shown in the example below.
...
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3
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72
views
grep from a specific value to specific value
For example, I have a file with data:
[2023-03-21 12:27:19 +0000] some_data
[2023-03-21 12:27:19 +0000] some_data
[2023-03-22 12:27:19 +0000] some_data
[2023-03-23 12:27:19 +0000] some_data
[2023-03-...
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votes
2
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135
views
Modifying a path
I'm trying to modifying a path stored in a variable ($var) through sed. In truth, I need to replace $(dirname "$var") for reasons related to the purpose of my script.
An example of var is ...
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vote
4
answers
207
views
Remove lines from a file that begin with and do not end with in bash
I have read many sed examples on how to remove lines beginning with a specific character or character set which is not challenging but I cannot seem to crack this one. I want to remove all lines in a ...
- 113
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votes
2
answers
80
views
Select all the text or characters between 2 text patterns that are repeating
Following is the sample .log file (there can be more lines in this)
2022 User abc (iii)
2023 defaa <party> ttt
2222221 User def (bbb)
20222 defaa <accoun> ttt
2222 User dddd (aaa)
3333 ...
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votes
3
answers
94
views
How to replace certain characters to CR+LF between two words
I want to generate a csv file to tell what server(s) have particular files and ownership. Here's the original output I got:
server01,server02,server03,owner,/etc/file1
server04,owner,/etc/file2
...
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109
views
How to delete all text before and when string occurs on sed
I remembered how to do this and even learned it from Stack Exchange, but forgot how I googled it so now I can't find it. The answers I am finding now are not what I'm looking for. Here is an example ...
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3
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79
views
Using "sed" to insert text at the end of a field in TSV file
I want to insert characters in TSV files using the sed command with wildcard expressions:
I have a file like this:
Marker Pvalue Trait Chr Pos
S3_16887238 6.172847e-09 Total_Soil_S 3 ...
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votes
1
answer
91
views
sed replace block of yaml code with nothing
I am trying to use sed to remove a piece of code from a yaml file. what I have so far is the below code, but it does not work.
sed -i 's/- node-service\/velocity_log_deployment((.|\n)*)//' config.yml
...
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vote
1
answer
75
views
Using sed to find and replace node version in certain files
I am trying to use sed to replace node version matches in certain files
The following is what I have come up with but it leaves certain digits or characters after replacement and is not replacing the ...
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1
answer
48
views
sed issues when working with tab? Should I use awk instead?
cat file.tsv| sed '1icolumn1 column2 column3 column4 ...' > file2.tsv
I am using sed to add a first line (header labels) for a .tsv file. The labels should be tab separated. I have been ...
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2
votes
1
answer
151
views
bashrc alias using ticks and backticks not working
I would like to create in .bashrc an alias which executes the following:
virsh list --all | sed '1,2d' | sed '/^$/d'| awk '{print $2" state:"$3" "$4}'
I've tried in different ways ...
0
votes
3
answers
151
views
Shell extract full word matching partial pattern
I need to extract a word from a line in a shell script, I've seen similar examples though none of which worked.
Take the example sentence
word1 word2 word3/pattern/word4.word5 word6
Given pattern it ...
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vote
4
answers
87
views
Remove last line of file by any user, owned by root
I have a file with permissions 666 so users can edit it with a different script. This works.
I need to script to remove the last line of the file, however this is not working as using something like ...
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0
answers
57
views
Replace a string in a column of a text file based on matching string listed in another file
Following my previous question I have multiple set of file, so I greped on list and wanted to change other file by using grep file.txt for example I am pasting three file here
File 1
chr - seq1 ...
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