Linked Questions

0
votes
2answers
52 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 ...
0
votes
3answers
101 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>
-1
votes
2answers
807 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?
1
vote
1answer
787 views

Grep global find replace [duplicate]

Is there a way to grep for a regular expression on an Ubuntu server and then find and replace it with another string? I am using the following command right now, but it doesn't account for actually ...
0
votes
1answer
214 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
150 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 %? ...
304
votes
2answers
1.6m views

Using 'sed' to find and replace [duplicate]

I know this question has probably been answered before. I have seen many threads about this in various places, but the answers are usually hard to extract for me. I am looking for help with an ...
4
votes
4answers
203 views

Double quote value assignments stored in a CSV?

I have a file that contains text as follows: dt=2016-06-30,path=path1,site=US,mobile=1 dt=2016-06-21,path=path2,site=UK,mobile=0 I want to convert it to text with double-quoted values in the key-...
26
votes
2answers
2k views

Security implications of running perl -ne '…' *

Apparently, running: perl -n -e 'some perl code' * Or find . ... -exec perl -n -e '...' {} + (same with -p instead of -n) Or perl -e 'some code using <>' * often found in one-liners ...
1
vote
1answer
638 views

How to search-replace-backup files recursively in linux?

I'd like to recursively search for a string within all files in a folder. If the string was found, backup the file to the same location (copy to <filename>-orig) and replace the found string ...
0
votes
1answer
194 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/...
1
vote
1answer
301 views

Inserting delimiter into file

I have a file with a similar format to the following: 1.1.1.5 Ensure mounting of hfsplus filesystems is disabled 1.1.1.6 Ensure mounting of squashfs filesystems is disabled 1.1.15 Ensure nodev option ...
1
vote
0answers
174 views

Search For a Word and Replace It In Entire File Using Egrep [duplicate]

How do I search an entire file for a word and replace it with another word using egrep?
2
votes
1answer
162 views

What does **/*(D.) mean in (zsh) sed arguments?

I see this command being given as how to search and replace strings in files in this answer: sed -i -- 's/foo/bar/g' **/*(D.) What does the pattern */*(D) mean? I am not sure what they are called, ...
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) ...

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