Tag: sed

How to add a string to line 13 in my text file

I have a very large text file that is difficult to open in text editors. Lines 12 – 15 are: I would like to add: 3 196 to line 14 and then have a blank line between 3 196 and Atoms like it is currently. I tried: But it did not seem to change anything. Anyone know of how I

Insert text if column contains a number

awk linux replace sed unix

I have a tab-delim file that looks like this It should be three columns but some rows are missing the second column (bacterial taxonomy). For these rows I want to move the number to a third column and insert some text (such as Unclassified). I have been attempting to modify some commands I found online to ins…

+ Regular Expression not working in sed

linux regex sed

Team, I have a file with data as mention below. Expected Output: I am using sed its not working . Please Let me know how to achieve the above mention output. Answer This might work for you (GNU sed): This method matches the numbers at the front of the string with strings appended to the end of the line and

Find and replace a word in all the files, which is falling under a searching criteria at Unix

find linux regex sed shell

I want to replace a word in all the files inside all the sub directories, which satisfy some criteria. Below is the elaborated situation. I have to replace all the Word having case insensitive word like {classy, CLASSY, cLassy ,..} to word “Vintage”. Also I only need to replace it where it have a …

Remove lines are between two line numbers (or patterns) with sed [no duplicate]

awk bash linux python sed

I saw and read many topics about my problem, but they didn’t help me. a close topic to my problem but it didn’t help me: removing lines between two patterns (not inclusive) with sed Question: I have a text file and I want to remove lines are between two patterns. note1: between these patterns, i d…

CentOS inserting new line of text after another using sed not working

centos linux sed

I’m trying to insert a line of text which is; On the next line after the words; in my /etc/nginx/nginx.conf using the following command But each time i run it, it just returns Im not very good with this sort of stuff so i was hoping someone could help me out. Cheers, Answer Remove the second single-quot…

How to comment out a string in xml file in shell

linux sed shell unix xml

On above mention code i am trying to comment out all the line with pattern custom/Application in it sed command i use that is not working Answer This should work sed -e ‘/custom/Application/s/(^.*$)/<!–1–>/’ est.xml > new.xml

Linux sed – remove at start and at end without delete the middle syntax

bash linux sed

I am trying to make a automate script. I am stuck at the place where I take source code line like: I want the script to always remove the text before and after “Seller Refurbished”. I know that “Seller refubished” is a variable that can change. After sed I want this result: Answer

Swapping the first word with itself 3 times only if there are 4 words only using sed

linux sed unix

Hi I’m trying to solve a problem only using sed commands and without using pipeline. But I am allowed to pass the result of a sed command to a file or te read from a file. EX: Anyway lets say I had a file F1 and its contents was : The output should be: Explanation: the program must only print

how to count repeated sentence in Shell

awk linux sed shell

My expected result is like as below: I have found a way to deal with the issues, but my code is a little noisy. I was wondering if you could show me more high-efficiency way to achieve the goal.Thanks a lot. Answer If you’re lines are not already grouped, then you could use This will consume a lot of me…