cli-sedHow can I use CLI sed to edit a file?
The sed
command line utility can be used to edit files. It is a powerful tool for performing text transformations. To use sed
, you must provide a command line argument with the desired transformation.
For example, to replace all occurrences of the word "foo" with "bar", you could use the following command:
sed 's/foo/bar/g' myfile.txt
This command would replace all occurrences of "foo" with "bar" in the file myfile.txt
.
You can also use sed
to delete lines from a file. For example, to delete all lines containing the word "foo", you could use the following command:
sed '/foo/d' myfile.txt
This command would delete all lines containing the word "foo" from the file myfile.txt
.
You can also use sed
to insert lines into a file. For example, to insert a line containing the word "foo" after the line containing the word "bar", you could use the following command:
sed '/bar/a\foo' myfile.txt
This command would insert the line "foo" after the line containing the word "bar" in the file myfile.txt
.
The sed
utility is very powerful and can be used to perform a variety of text transformations. For more information, see the following links:
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- replace text
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