cli-sedHow do I use the command line to edit text using sed?
sed command is a powerful tool for editing text in the command line. It works by applying a set of instructions, called a script, to a text file or stream. The following example shows how to use
sed to replace all instances of the word "cat" with the word "dog" in a text file called
sed 's/cat/dog/g' example.txt
This command will output the contents of
example.txt, with all instances of "cat" replaced by "dog".
sed command is made up of several parts:
s: This is the command to substitute a string for another.
/cat/: This is the string to be replaced.
/dog/: This is the string to replace it with.
g: This is an optional flag that tells
sedto replace all instances of the string, rather than just the first one.
In addition to substitution,
sed can be used to delete lines, insert text, and perform other types of text manipulation. For more information, see the following links:
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