Definition, Meaning & Synonyms

sed

Noun

/sɛd/

Definition

A stream editor that allows you to perform basic text transformations on an input stream (a file or input from a pipeline).

Examples

Using sed, you can easily replace text in a file without opening it.
Example: sed ‘s/oldtext/newtext/g’ filename.txt changes all instances of ‘oldtext’ to ‘newtext’ in the specified file.
It is frequently used in shell scripts for text manipulation.

Meaning

The name ‘sed’ comes from ‘stream editor’, which is a program that can be used to modify text in a simple and efficient manner while processing data in a stream.