tldr/pages/common/sed.md

sed

Run replacements based on regular expressions.

• Replace all occurrences of a string in a file, and print the result:

sed 's/{{find}}/{{replace}}/g' {{filename}}

• Replace all occurrences of a string in a file, and overwrite the file contents:

sed -i 's/{{find}}/{{replace}}/g' {{filename}}

• Replace all occurrences of an extended regular expression in a file:

sed -E 's/{{regex}}/{{replace}}/g' {{filename}}

• Replace all occurrences of multiple strings in a file:

sed -e 's/{{find}}/{{replace}}/g' -e 's/{{find}}/{{replace}}/g' {{filename}}