cli-sedreplace text

How do I use CLI sed to replace text? // plain

The sed command line utility can be used to replace text. It is a powerful tool that can be used to manipulate text in a variety of ways.

To use sed to replace text, you need to provide a search pattern and a replacement string. The following example shows how to replace the word 'foo' with 'bar':

sed 's/foo/bar/g' input.txt

This command will replace all occurrences of 'foo' with 'bar' in the file input.txt.

The structure of the command is as follows:

• s: stands for 'substitute'
• /foo/: the search pattern
• /bar/: the replacement string
• g: stands for 'global', meaning that all occurrences of the search pattern should be replaced

You can also use sed to replace text in multiple files. To do this, you can use the -i flag, which stands for 'in-place':

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

This command will replace all occurrences of 'foo' with 'bar' in all .txt files in the current directory.

For more information on using sed, please see the following links:

• GNU sed Manual
• Sed Tutorial
• Sed Commands

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