Linked Questions

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1answer
204 views

Running several sed commands on same files simultaneously

To change all occurences of the string foo to bar in all files in a directory I use sed -i -- 's/foo/bar/g' * Found that here But I also want to change NAME to name etc. I tried, sed -i -- 's/foo/...
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votes
3answers
102 views

How to modify file content? [duplicate]

Ubuntu 16.04 I have some pretty large file so modifying it by hand is not possible. I'd like to change all occurences of <tag1>true</tag1> to <tag1>false</tag1>
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votes
1answer
680 views

Why won't my change to the sshd_config file persist? [duplicate]

I am writing a script to modify settings on my Ubuntu server. I have the following line in it: sudo sed 's/PasswordAuthentication yes/PasswordAuthentication no/' /etc/ssh/sshd_config The problem is ...
0
votes
1answer
247 views

Search and replace something contained in ' (single quotes)

In various files in lots of sub folders I have the following text in large text files, each unique Linux.Secret = 'XYZZYXZYXZYXZYXZYXZ' I would like to make it so all the Linux.Secret = '' are the ...
0
votes
2answers
412 views

Insert character at the beginning of specific lines [duplicate]

Let's say I have file: % This is first line % This is second line This is content % This is the end How can I insert a % character at the beginning of every line which already starts with %? ...
0
votes
1answer
3k views

How to replace the last octet of a valid network address with the number 2 [duplicate]

Lets say I have a string that can be any possible/valid network address like so: STR="192.168.1.0/24" What I want to do is replace the last octet (in this case it's 0/24, however it can be anyting) ...
0
votes
1answer
822 views

Modify part of line if keyword is found using sed? [duplicate]

I want to modify a line if a specific keyword is found in a line. CS_CODE, SM_NUM, PORT_NUM, DEV_PORT_NUM, DIRNUM, MAIN_DIRNUM, BILL_NO, ADR_NAME In above line, if 'PORT_NUM' is present then '...
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votes
1answer
104 views

Replace copyrights recursively [duplicate]

I have many files under the current directory. Each file contains copyrights headers like, # # Copyright 2013 Company, Inc. All rights reserved. This software # is property of Company, ...
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votes
1answer
2k views

How to change a single line in multiple files [duplicate]

I have ~750 .php files in the same directory that contain the line include("path/to/file.php"); I would like to change this line in every file to require_once("path/to/file.php"); What would be an ...
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votes
2answers
56 views

Remove occurrence of a pattern from string everywhere [duplicate]

I want to remove occurrence of a string from a given string. Like /hello: from a string like /yo:/sup:/hello:/yo:/hello:/yup. And one thing for sure if string contains a colon in end then it must be ...
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votes
1answer
143 views

Substituting words in parenthesis using sed [duplicate]

I have a basic python script that looks like this: my_name = 'Zed' my_age = 35 my_height = 74 my_weight = 180 my_eyes = 'Blue' my_teeth = 'White' my_hair = 'Brown' print "let's talk about %s" % ...
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votes
1answer
1k views

How to edit a file from a script using a loop instead of find and replace with sed? [duplicate]

Here is an example of what I am trying to do: #!/bin/bash Update=$1 if [$Update == Value] then NewValue= $Update vi %s/Value/$NewValue/g > Updatedfile fi exit 0 Is there a way to ...
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votes
1answer
794 views

How do i create a sed script to prompt the user to replace a number in a file? [duplicate]

I'm new in Unix, and I'm learning about sed command. I need to write a very small script for searching a number in a file and replacing it. I tried doing grep, and than deleting the specific phone ...
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votes
1answer
5k views

how to replace a specific pattern from all files [duplicate]

suppose I want to replace abc with xyz in all files in a directory. How do I write a script for this ?
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votes
2answers
1k views

How to use sed on all matching files?

I am trying to run sed on the output from find | grep \.ext$ However, sed requires input file and output file. How can I save the output line to a variable, or pass it to sed?

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