Questions tagged [sed]
Sed is known as a Stream Editor in that it can carry out various filtering and/or transforming functions on standard input or on user specified files. It is commonly used to search-and-replace in text files. If your question is about text-processing, this tag is likely to be appropriate
702
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How to replace string with file contents which contains symbols using sed
I have one word in one of my files and I want to substitute that word with xml file contents. considering that xml file contains some symbols which sed isn't able to process the command I am using isn'...
- 113
2
votes
2
answers
3k
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Using sed to replace multi-line strings in apache2.conf file
As part of my Bash server setup script, I am trying to lock down the default apache www website.
I want to convert this:
<Directory /var/www>
Options Indexes FollowSymLinks
To this:
<...
- 33
0
votes
2
answers
150
views
Bash command to recognize difference between variables
I am given from stdin 2 variables a name and a number given in any order. How can I identify them correctly in a bash script such that I can print them in a file in the same order(age, Name)
./a.sh ...
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5
votes
4
answers
33k
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How to set up DISPLAY variable for WSL2 of ubuntu 20?
I have a WSL2 with ubuntu 20. In most posts, setting up DISPLAY environmental variable to access windows X11 server is made through WSL localhost address in ~/.bashrc
$ export DISPLAY=$(awk '/...
- 353
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4
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486
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Awk/Sed commands find and replace pattern
I have a file with data like the following. xyz can be anything, so I want to replace it.
variable "azure_spoke_gateways" {
default = {
spoke1 = {
name = "xyz"
...
0
votes
1
answer
119
views
Sed insists on doing partial matches
Ok, consider this example file:
#!/usr/bin/env bash
cat > example_file.txt <<EOL
group, , price
1, S_BRN_, 3.21
1, S_WBS_BRN_, 4.11
1, S_WBS_BRN, 1.22
2, S_BRN_WBS, 9.2
2, F_WBS_BRN_, 2.11
2, ...
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1
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105
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how to swap the time and cpu usage in shell script
This is my code here,
ps -eo %cpu --sort=-%cpu |head|tail -n+2 | sed "s#^#$(date +%T);#"
and the display will be like this:
01:29:29; 1.2
may I know if I want the output like:
1.2;01:29:29
...
0
votes
2
answers
249
views
Remove LF from a specific column using sed
I have a file which contains data separated by |.
Example: (Input)
a|b|c|d`LF`
D|e
a1|b1|c1|d1`LF`
d2|e1\n
Output: (Removed LF from 4th column)
a|b|c|dD|e
a1|b1|c1|d1d2|e1\n
I want to remove LF from ...
- 111
0
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1
answer
56
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Need to add " " on a target of different strings in a txt file
hope everyone is ok. Want to add " " on a txt file
for example :
12 maker_ITAG gene 64046325 64049958 . + . gene_id Solyc12g057010.2
12 maker_ITAG mRNA 64046325 ...
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5
votes
3
answers
2k
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How to use sed to delete timestamp pattern from a zero-terminated list of filenames
To find files older than the newest 8 I'm using:
find . -maxdepth 1 -type f -printf '%T@ %p\0' | sort -rz | sed -z 1,8d
The -printf '%T@ %p\0' command applies a last modified timestamp (expressed as ...
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2
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26
views
Wrap specific field on each line
file:
DocumentNameA varying number of words symbols etc
DocumentName2 varying number of words symbols etc
AnotherDocumentName varying number of words symbols etc
I want to do something like
sed -i 's/...
- 115
0
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1
answer
896
views
How to replace every 2nd line sed
How to replace every 2nd line of a text file with another text file list of lines.
Example:
cat filea.txt
I love Pink
I love Blue
I love Dogs
I love MOMO
cat bileb.txt
I hate yello
I hate white
I ...
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0
votes
2
answers
67
views
Commandline copy of contents between patterns from a text file to another
I have an html file contents copied to a text file in the following form:
... course 10> user_1 </a><br /><a class="reviewlink" href="https://www.foo.com/moodle/mod/...
- 1,015
3
votes
2
answers
8k
views
Convert HTML to text format
I want to extract the page content from this HTML file:
<BR />
<TABLE style=border-color:#32506d border=1 cellspacing=0>
<caption class=header style=background-color:#32506d><...
0
votes
1
answer
113
views
How to replace a varying number of strings on lines that match patterns
File1
<filename1.txt> stringA string1
<filename2.txt> stringA string2
<filename2.txt> stringB string3
File2
<filename1.txt> words and symbols < $ stringA words and ...
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0
votes
1
answer
48
views
How to add interative value to each line of a file?
Numlines=$(grep "" -c file.txt) # This works
for line in $( seq 1 $Numlines) # for each line
do
sed "s/$/ Line${i}/" file.txt # not right
done
file.txt:
this is the first line
...
- 115
0
votes
1
answer
466
views
Change the text according to match for each line
I have a text file which contains some text is shown below:
I love bash
$ I love html
$ I hate you
I love you man
I want to add some text at the beginning and the end of the line with a match of $. ...
- 11
0
votes
3
answers
2k
views
Inserting text to existing text within brackets
I have a file similar to this:
[one]
[two]
[three]
[four = something]
I want to add /mame/ in front of the word in square brackets except when there’s an = sign on the line
So the above will be
[/...
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2
answers
79
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I need to make a shell script that displays config files without the commented and empty lines
This is my code:
#!/bin/bash
echo "Type in your file"
read file
sed -r -e 's/(^[^#]*$) ; s/(^[^;]*$) ; s/(^[^$]*$) ; s/(^[^/]*$) ; s/(^[^ ]*$)' $file
This is the output when I give it a ...
1
vote
1
answer
114
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replacing text between brackets from text in file
I have configured the server instance in code
"instance": [
{ "address": 127.0.0.1,
"port": 6514
},
{"address": 127.0.0.1,
"port": 6515
}
]
...
0
votes
1
answer
152
views
Removing multiple lines between brackets
I have the following
"endPoints" : [
"127.0.0.1:8090/abskdj/index.html",
"127.0.0.1:8091/qwe/we.html"
],
(may contain one or more addresses)
I want to change ...
0
votes
1
answer
181
views
Using sed to store multiple IDs within an array, that are on the same line of a file
I have several files that contains IDs that I need to extract and store into an array, problem is that all the IDs are on the same line and all follow the same patterns, also each file has a random ...
- 1
0
votes
3
answers
2k
views
Shell script to extract data from a file and store into another file as a csv
I have a set of .html files within a folder and I'm trying to look through each folder and extract a particular bit of info and store it into a CSV file.
Each file contains a similar line of data:
<...
- 1
1
vote
1
answer
6k
views
execute all files under a directory with sed and find
I'm trying to use find to execute all the files under a directory. I have a sed script that will replace all instances of # with //.
Assume my directory is /path/to/directory and it contains file1, ...
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4
votes
3
answers
2k
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"sed" to add a space only under a certain condition
I have to add a space after the # to every occurrence, only if the # is at the beginning of the line and after the # there is at least one character that is not the space. For example this code:
echo &...
- 287
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1
answer
754
views
How to insert N+1 new lines after each line of a file with sed
I want to change this:
This is line1
This is line2
This is line3
To
This is line1
InsertedLine
This is line2
InsertedLine
InsertedLine
This is line3
InsertedLine
InsertedLine
InsertedLine
I.e. new ...
- 1
0
votes
1
answer
382
views
sed with parens in seach not working
I need to replace
DatabaseConnection.GetConnection()
with
DatabaseConnection.GetConnection(_connectionString)
Using grep (GNU grep) 3.1
grep GetConnection() CustomerRepository.cs
yields
bash: syntax ...
- 141
1
vote
2
answers
169
views
How do I get `abc.xyz.com` from `"127.0.0.1,abc.xyz.com"`?
I have a list in which data is in this format
"127.0.0.1,abc.xyz.com"
I want to get only abc.xyz.com without the IP address and double qoutes. How it can be done?
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2
answers
10k
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sed reports "unknown command"
I wrote this:
sudo sed -i ‘s/3389/3390/g’ /etc/xrdp/xrdp.ini
That produced this error:
sed: -e expression #1, char 1: unknown command: `'
1
vote
1
answer
543
views
Sort order of output when using sed and iterating in folder
I am using the following sed command to find a string in between patters for each file in a folder, files are named 01.txt, 02.txt etc.:
sed -n '/PAT1/,/PAT2/{/PAT1/!{/PAT2/!p}}' * >> file
but ...
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1
vote
1
answer
120
views
How to make sed or by using another command to reprint a found string?
I have a string like: testfsdfsdftestfsdkflsdtestsdfsdfsdf
I am wondering how to separate the string so that testfsdfsdf appears on the first line, testfsdkflsd will appear on the second line, etc. ...
- 670
1
vote
1
answer
4k
views
How to search an XML file and print text of a certain color
I have tried grep, awk, sed and am starting to try xmlstarlet but I'm not finding much support with that.
I'm guessing the xmlstarlet is telling me that the XML is ill formed, but all I want to do is ...
- 115
0
votes
1
answer
4k
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How to use sed to remove variables value from a string [duplicate]
I am writing a script in bash and I can remove a string from a sentence using the code below:
echo 'This is a foo test' | sed 's/\<foo\>//g'
OUTPUT: 'This is a test'
However, I want to be able ...
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0
votes
1
answer
1k
views
Insert a line after match using sed
I want to insert a new line after this line:
set_config_object("m_lin_1_pad_agent*","io_agent_config",m_lin_1_pad_agent_cfg,0);
Can you please guide me on how I can achieve that ...
0
votes
1
answer
136
views
Trimming variable text from string lines
I'm trying to trim strings in a large text document. They all begin with >chr5: and then a variable string of numbers.
For example: >chr5:1264398-1264827. I want to trim these all down to just ...
1
vote
1
answer
188
views
Get human readable cpu frequency
I am trying to get a simplified output of the cpu frequency to 3 digits, such that if the frequency is less than 1000 it will output xxx Mhz and if it's above 1000 it will outpute x.xx Ghz. I can get ...
- 149
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0
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4k
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ubuntu/bash sed: operation not permitted and permission denied
I'm using Windows 10 with WSL2 feature turned on, and working on Ubuntu. All the files I'm working with are saved in Windows and not the Ubuntu subsystem, so I've been accessing Windows directories (/...
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1
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293
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With sed what is difference between sed -n '1,2p;3q' and sed -n '1,2p;2q'
Is there any difference between sed -n '1,2p;3q' and sed -n '1,2p;2q'
I have a file with 3 lines:
#comment 1
#comment 2
#comment 3
And I couldn't notice any difference. Both printed out the first ...
1
vote
1
answer
1k
views
Trying to add an ampersand at the end of every line of file using sed
I am trying to add an ampersand at the end of every line of a file using sed as follows:
sed -i -e 's/$/ &/' file
However, when I look at the contents of the file (using both Vim and just cating ...
1
vote
1
answer
1k
views
'column: line too long' when it doesn't seem to
I'm using grep, sed and column to make a little makefile documentation, but I get the following error: column: line too long.
My attempt is the following:
## this is the documentation
yes:
@echo ...
- 115
3
votes
1
answer
1k
views
Edit FASTA header
I want to remove part of the header of all my sequences in a fasta file, so only the Otu number appears as the header.
So from:
>M02300_51_000000000-CJMTC_1_1115_17014_15334 Otu0001
T-AC--GG-AG-...
- 31
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votes
2
answers
507
views
Keep original spacing while doing replacements [AWK, SED, GREP, ...]
I have two files which content are:
File 1:
ATOM 1 N LEU 1 -10.186 -21.276 -0.497 1.00 0.00 PROT
ATOM 2 HT1 LEU 1 -10.773 -22.005 -0.843 1.00 0.00 PROT
...
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3
votes
2
answers
2k
views
Rename multiple files with variable extensions to remove beginning and end of filename
I have multiple files I need to rename as below:
5891_1_0_AD3884_ACTCTCGA_S10.bam
5891_1_0_AD3884_ACTCTCGA_S10.bam.bai
5891_1_AD3875_GAGCTTGT_S1.bam
5891_1_AD3875_GAGCTTGT_S1.bam.bai
...
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0
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0
answers
237
views
SED command runs from console but not through incrontab
Trying to make find and replace in a file when it is modified by the system or other user.
Incron+SED is the combination has worked the best till this moment. Problem is when the command is put into ...
0
votes
2
answers
4k
views
How to append text in the beginning of each line using sed
<AppendNhere> A H W C
<AppendNhere> A H W C
<AppendNhere> A H W C
Sed '/^/ i N' filename
I tried appending N using this, but it's appending N to the beginning of new ...
- 1
0
votes
3
answers
864
views
Removing characters (digits) after the first dash (-) from the end of a fileName
I have thousands of .mp3 files that have recently been required and were appended with a dash - and a series of various amounts of numbers. I would like to remove the last dash and the numbers to ...
- 1
1
vote
1
answer
3k
views
Find index.html files & Rename with folder name and move file a level up
Little help in solving a workflow with shell script using the find command.
Finding all index.html files in every folder.
We can use this with find command for that.
find ./ -type f -name 'index....
0
votes
1
answer
65
views
Change regex's result order after sed as order of ls -v
I am working on 53 xml files (az-0.xml ~ az-52.xml).
And I ransed '/<loc>/!d; s/[[:space:]]*<loc>\(.*\)<\/loc>/\1/' az-*.xml > AZ to get all stuff in <loc> and merge them ...
- 5
0
votes
0
answers
228
views
Using sed to find a word and replace another word
I have a word like <string>any word</string> in a file. I want to replace it with <string>17E262</string>
For example:
I want to convert
<string>16G183</string>...
2
votes
2
answers
277
views
Remove word and character from strings
Is there a method to remove this string
"name": "_acme-challenge",
and left only with :
_acme-challenge
I read that I can use sed but I don't understand much how to go with this.
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