Answers for "sed replace in file"

13

replace text with sed

sed -i 's/old-text/new-text/g' input.txt
Posted by: Guest on March-31-2020
14

sed replace in file

sed -i 's/foo/bar/g' hello.txt
Posted by: Guest on March-01-2020
2

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
Posted by: Guest on November-03-2020
2

replace using sed

#on my mac
sed -i -e 's/old-text/new-text/g' text.txt
Posted by: Guest on November-26-2020
0

linux sed remove string in file

sed -e s/deletethis//g -i *
Posted by: Guest on November-10-2020
0

sed replace

For using match in sed replacement, just border it with '\(' and '\)':
echo Before123 | sed 's/Before\([0-9]*\)/\1After/g'
123After	# number is matched withtin '\( \)' and replaced in '\1'
Example with 2 match replacements
echo a_b | sed 's/\(^.*\)_\(.*$\)/first is \1 and \2 is after/g'
Posted by: Guest on November-27-2020

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