Sed replace in file

Replace text with sed

sed -i 's/old-text/new-text/g' input.txt

Sed replace in file

sed -i 's/foo/bar/g' hello.txt

Source: cyberciti.biz

Sed replace with variable

Just concatenate var '"$var"' to replace values string in sed command:
$ sed -i 's/string_to_replace/'"$var"'/g' file_to_replace.txt

Replace using sed

#on my mac
sed -i -e 's/old-text/new-text/g' text.txt

Linux sed remove string in file

sed -e s/deletethis//g -i *

Source: stackoverflow.com

Bash search and replace text in file

# Basic syntax using awk:
awk '{gsub(regex, substitution_text, $field#); print $0;}' input_file
# Where:
#	- gsub is a function that replaces every regular expression (regex)
#		match with substitution_text. 
#	- $field# is optional but can be used to specify a particular field
#		where gsub should operate. (This is useful if you want to 
#		restrict the substitutions to a specific column)

# Example usage:
awk '{gsub(" ","",$0); print $0;}' input_file
# This replaces every space " " with nothing "", thereby eliminating all
# whitespace from the file

Source: tutorialspoint.com

Similar codes

1 vote105 views1 answer
Powershell function
Shell/Bash
0 vote109 views1 answer
Sngrep printed lines correctly
Shell/Bash
1 vote107 views1 answer
Install xdotool ubuntu
Shell/Bash
0 vote95 views1 answer
Create Remote for Contributing to a GitHub project
Shell/Bash
1 vote105 views1 answer
Batch remove quotes
Shell/Bash
22 votes97 views5 answers
Add user to group linux
Shell/Bash
0 vote125 views1 answer
Uninstall libxcb
Shell/Bash
0 vote114 views1 answer
Cor installation
Shell/Bash
4 votes96 views1 answer
How to copy file in ubuntu terminal
Shell/Bash
13 votes113 views5 answers
Uninstall anaconda ubuntu
Shell/Bash